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Category: Exploits

Explore the latest software exploits, zero-day vulnerabilities, and security PoCs. Geek-Guy provides expert analysis on emerging threats and how to stay protected.

CISA orders federal agencies to “patch smarter”

The US Cybersecurity and Infrastructure Security Agency (CISA) has issued a Binding Operational Directive that will change how the US federal government approaches vulnerability management. The directive arrives as the patching problem has become nearly unmanageable, driven by a surge in newly published vulnerabilities and by AI tools that are accelerating both security research and…

ServiceNow fixes API issue after reports of suspicious tenant activity

ServiceNow is notifying customers after discovering and remediating a vulnerability that could have exposed data via an unauthenticated API endpoint on affected instances. The issue emerged publicly after customers began discussing security notifications from ServiceNow and reports of suspicious activity linked to their environments. According to the company’s advisory, the vulnerability was initially reported through…

Oracle PeopleSoft servers under attack, Oracle pushes out-of-band security alert

A zero-day vulnerability (CVE-2026-35273) in Oracle PeopleSoft PeopleTools is being exploited in the wild, Charles Carmakal, CTO at cybersecurity firm Mandiant, part of Google Cloud, warned today. The warning comes a day after Oracle published an out-of-band security alert about the flaw, which is remotely exploitable without authentication, may result in remote code execution, and…

Chaotic Eclipse Strikes Again: New Zero-Day Unlocks BitLocker in Four Hours of Research

GreatXML bypasses BitLocker via Defender offline scan artifacts, giving SYSTEM shell in Recovery Mode. No patch exists. Any machine that ran an offline scan is vulnerable. On June 10, security researcher Chaotic Eclipse (aka Nightmare Eclipse) published a new working exploit dubbed GreatXML that bypasses BitLocker and opens a command shell with full SYSTEM privileges…

China-linked recon botnet outpaces enterprise defenses

A botnet made up of compromised small office and Internet of Things devices has grown into a larger reconnaissance network capable of rapidly identifying vulnerable internet-facing systems after public vulnerability disclosures, researchers said. The botnet, tracked by Lumen’s Black Lotus Labs as JDY, now comprises more than 1,500 compromised small office and home office, or…

Fortinet patched a new critical FortiSandbox flaw

Fortinet patched a critical FortiSandbox vulnerability that could let unauthenticated attackers remotely execute commands via crafted HTTP requests. Fortinet released security updates to address several vulnerabilities affecting FortiSandbox, FortiOS, FortiProxy, and FortiPortal. The most severe issue, tracked as CVE-2026-25089 (CVSS score of 9.8), is an OS command injection flaw in FortiSandbox products. The vulnerability could…

Frontier AI models offer sneak peak of seismic cyber shifts ahead

The advent of Claude Mythos combined with the release of OpenAI’s GPT-5.5 have changed the threat model for CISOs. The arrival of those frontier AI models — and the ones soon to follow — makes it much easier to discover and chain vulnerabilities at a speed and scale that will require most cyber departments to…

JDY Botnet Evolves After KV Takedown, Targets Military Networks

JDY botnet scans SOHO/IoT devices globally to map services and targets, especially US military networks. Lumen’s Black Lotus Labs reported the resurgence of the JDY botnet, a covert reconnaissance network tied to Chinese state-sponsored hacking groups including Volt Typhoon. The network was first spotted in late 2023 as a cluster inside KV-botnet. The U.S. government…

GitHub finally pulls the plug on automatic install script execution for npm

The ability for attackers to leverage automatic install script execution in npm will finally come to an end when expected changes arrive from GitHub in July. Coders will still be able to enable the function, but the default setting will block it.  In V12, default settings are changing, GitHub said in its changelog, noting, “it…

CISA tells agencies to patch smarter, not harder — foreshadowing broader industry practice

Security teams’ patching practices have come under intense pressure over the past year, as active exploitation is up, time-to-exploit windows are accelerating, and vulnerabilities have become attackers’ top initial access vector of choice. Last year, organizations fully remediated only 26% of the vulnerabilities that attackers were actively exploiting in the wild — down from 38%…

Ivanti patches critical Sentry flaws that lead to full device takeover

IT software provider Ivanti fixed two vulnerabilities in Ivanti Sentry, a secure mobile gateway appliance formerly called MobileIron Sentry. The flaws could allow unauthenticated remote attackers to gain complete control of deployments. One of the vulnerabilities, CVE-2026-10523, credited to researcher Bryan Lam, allows attackers to bypass authentication and create arbitrary administrative accounts on appliances. The…

CISA directive orders agencies to prioritize vulnerability patching in a new way

The Cybersecurity and Infrastructure Security Agency on Wednesday ordered federal agencies to prioritize vulnerabilities based on four criteria, as part of push to “patch smarter, not harder.” Federal agencies should emphasize patches for vulnerabilities that affect a publicly exposed asset, allow an attacker to fully automate exploitation, give attackers the ability to take over control…

Unpatched Langflow Flaw CVE-2026-5027 Exploited for Unauthenticated RCE

A high-severity unpatched security flaw in Langflow, an open-source low-code platform to build artificial intelligence (AI) applications, has come under active exploitation in the wild, according to findings from VulnCheck. The vulnerability in question is CVE-2026-5027 (CVSS score: 8.8), a case of path traversal that could allow an attacker to write files to arbitrary locations.…

June Patch Tuesday marks a ‘new normal’ with over 200 CVEs, 32 rated ‘critical’

June’s Patch Tuesday security updates have arrived, with SAP fixing four critical vulnerabilities and Microsoft addressing over 200 CVEs. Microsoft’s to-do list includes fixes for three zero days, 32 patches rated as ‘critical’, and a batch of other high-risk vulnerabilities that need urgent assessment. There’s also one older flaw under exploit, and some patches affecting…

CISA Adds Cisco, Chrome, and Arista Flaws to KEV Catalog Amid Active Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added three new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation. The list of vulnerabilities is as follows – CVE-2026-20245 (CVSS score: 7.8) – An improper encoding or escaping of output vulnerability in Cisco Catalyst SD-WAN Manager that could allow…

Who Runs the Ransomware Group ‘The Gentlemen?’

A cybercrime group known as The Gentlemen has emerged as the second most active ransomware gang by victim count, rapidly attracting a talented pool of hackers through an aggressive recruitment strategy that promises affiliates 90 percent of any ransom paid by victims. This post examines clues pointing to a real life identity for the administrator…

AISLE Snapshot keeps source code under enterprise control during vulnerability scanning

AISLE has introduced AISLE Snapshot, a new offering that gives regulated and security-sensitive enterprises access to frontier-class vulnerability detection inside their own environments, at a fraction of the cost, with source code and security data that never leave their control. Organizations are under increasing pressure to secure growing codebases against a rapidly expanding vulnerability landscape.…

Russian APTs Still Exploiting Patched WinRAR Flaw CVE-2025-8088

Despite a 2025 patch, Russian-linked groups still exploit a WinRAR flaw (CVE-2025-8088) to deploy malware via phishing archives. CVE-2025-8088 is a path traversal flaw in WinRAR that lets an attacker write files outside the extraction directory using NTFS Alternate Data Streams. WinRAR fixed it in version 7.13 in July 2025. Nearly a year later, Trend…

Critical Ivanti Sentry flaw allows root-level remote code execution (CVE-2026-10520)

Ivanti has patched two critical vulnerabilities (CVE-2026-10520 and CVE-2026-10523) in Ivanti Sentry and has urged customers to implement the fix right away. Though the vulnerabilities are not known to be actively exploited, security researchers have already released technical details about the former, which may be used by attackers to craft a working exploit. About Ivanty…

Microsoft feud escalates as researcher drops new Windows zero-day

The long-running feud between Microsoft and security researcher Nightmare Eclipse has entered a new chapter. Eclipse, who has spent the past several months publicly releasing unpatched Windows vulnerabilities while sparring with Microsoft over vulnerability disclosure practices, has published exploit code for a new zero-day flaw dubbed RoguePlanet. The researcher said their exploit uses a race…

U.S. CISA adds Cisco Catalyst SD-WAN, Arista Extensible Operating System (EOS), and Google Chromium V8 flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco Catalyst SD-WAN, Arista Extensible Operating System (EOS), and Google Chromium V8 flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added BerriAI LiteLLM and Check Point Security Gateway flaws to its Known Exploited Vulnerabilities (KEV) catalog. The two flaws added to…

Record Microsoft Patch Tuesday, fresh zero-day

Microsoft marked its largest-ever Patch Tuesday this month, by shipping fixes for nearly 200 vulnerabilities. Within hours, “Nightmare Eclipse”, the researcher behind weeks of escalating Windows exploit releases, dropped a proof-of-concept exploit for a new zero-day: “RoguePlanet”, which abuses a race condition in Windows Defender to spawn a command shell running with SYSTEM-level privileges. Various…

Chaotic Eclipse Unveils RoguePlanet Exploit Targeting Fully Patched Windows

The researcher Chaotic Eclipse released a PoC for the RoguePlanet Microsoft Defender zero-day, which can grant SYSTEM privileges on fully patched Windows systems. Security researcher Chaotic Eclipse, also known as Nightmare-Eclipse, has published a new proof-of-concept exploit for a RoguePlanet Microsoft Defender zero-day. The flaw relies on a race condition that can provide attackers with…

Rubrik launches Autonomous Business Recovery to rebuild cloud applications after cyberattacks

Rubrik has unveiled Autonomous Business Recovery (ABR) for Cloud Applications, the agentic cyber resilience solution that recovers cloud applications from data to network, identity and configurations. The end result is a rebuild of an organization’s Minimum Viable Business (MVB) at machine speed. At a time when powerful AI models collapse the window between vulnerability discovery…

F5 adds AI-powered threat detection and API security for on-premises environments

F5 has introduced new web application and API protection (WAAP) capabilities for its Application Delivery and Security Platform. The company said the updates are intended to address a threat landscape in which AI models can accelerate the time between vulnerability discovery and exploitation, giving attackers faster access to offensive capabilities. The new features expand the…

“AI Worms”, researchers demonstrate autonomous malware capable of adapting to any online device

A study by the University of Toronto shows how artificial intelligence can power autonomous worms capable of tailoring attacks against Windows, Linux and IoT devices. A group of researchers from the University of Toronto has demonstrated how open-source artificial intelligence models can be used to create a new category of computer worms capable of autonomously…

ServiceNow Flaw Exploited to Gain Unauthorized Access to Customer Instances

ServiceNow has warned about a security incident in which unknown threat actors exploited a flaw to obtain deeper unauthorized access to susceptible instances. “On June 5, 2026, ServiceNow applied a security update to hosted customer instances,” the company revealed in an advisory that requires customer access. “The update concerned a security issue that could allow…

Microsoft Defender RoguePlanet Zero-Day Grants SYSTEM Access on Updated Windows

The anonymous security researcher going by the name Chaotic Eclipse (aka Nightmare-Eclipse) has released a proof-of-concept (PoC) exploit for yet another Microsoft Defender zero-day named RoguePlanet. “The exploit is a race condition, so it’s a hit or miss,” the researcher, who published the exploit under a new GitHub account, “MSNightmare” said. “I have managed to…

Six Proto6 Vulnerabilities in protobuf.js Expose Node.js Apps to RCE and DoS

Cybersecurity researchers have flagged half a dozen vulnerabilities in protobuf.js, a JavaScript and TypeScript implementation of Protocol Buffers (Protobuf), that, if successfully exploited, could result in remote code execution (RCE) and denial-of-service (DoS) attacks. “In affected environments, a single malicious protobuf schema, descriptor, or crafted payload could be enough to trigger

UK move to filter photos and messages triggers encryption worries for CISOs

UK Prime Minister Keir Starmer’s speech on Monday insisting that tech companies create device controls to somehow block children from viewing or creating sexually explicit imagery has raised alarms among CISOs, who worry that the same technology could undermine enterprise security. Starmer gave tech firms three months to create and implement such restrictions voluntarily, at…

UK move to filter photos and messages triggers encryption worries for CISOs

UK Prime Minister Keir Starmer’s speech on Monday insisting that tech companies create device controls to somehow block children from viewing or creating sexually explicit imagery has raised alarms among CISOs, who worry that the same technology could undermine enterprise security. Starmer gave tech firms three months to create and implement such restrictions voluntarily, at…

Enterprises know AI-generated code is vulnerable; they’re shipping it anyway

AI-generated code is riddled with security flaws, yet enterprises are shipping more of it than ever before. Why? Perhaps they’re over-confident, lack true visibility into security risks, or are simply choosing to ignore the problem and hope it goes away. It’s a dangerous game to play at the dawn of the agentic AI era, as…

Microsoft breaks Patch Tuesday record with 206 vulnerabilities

Microsoft addressed a whopping 206 vulnerabilities lurking in its vast portfolio of business products and foundational systems in this month’s Patch Tuesday update, marking the vendor’s largest monthly batch of security patches on record, according to researchers. The massive assortment of vulnerabilities in Microsoft’s latest defect dump accentuates an alarming trend across technology — fears…

Anthropic releases Mythos-class Fable 5 model with safeguards for cyber risks

Anthropic unveiled two new powerful AI models built on its previously restricted Mythos architecture: Claude Fable 5, which is being made broadly available, and Claude Mythos 5, which remains limited to a small group of cybersecurity and infrastructure partners. Anthropic describes Fable 5 as the most capable model it has ever released to the public,…

CVE-2026-11645: Chrome Zero-Day Vulnerability Exploited in the Wild

Google has released emergency Chrome updates to address a Chrome zero-day vulnerability, a high-severity out-of-bounds read/write issue in the V8 JavaScript engine. Google says an exploit exists in the wild, and the patched Stable builds are rolling out as 149.0.7827.102.103 for Windows and Mac and 149.0.7827.102 for Linux. Public reporting says the flaw can be…

CVE-2026-50751: Check Point VPN Authentication Bypass Exploited in Targeted Attacks

Organizations continue to face elevated risk from edge-device flaws that can hand attackers an initial foothold without valid credentials. CVE-2026-50751 is a critical authentication bypass issue in Check Point VPN Remote Access and Mobile Access that allows a remote, unauthenticated attacker to establish a VPN session without a valid user password. According to public reporting,…

Microsoft June 2026 Patch Tuesday, (Tue, Jun 9th)

Microsoft today released patches for 204 vulnerabilities. 38 of these vulnerabilities are considered critical, and three have been disclosed before today. Six of the vulnerabilities affect Microsoft cloud solutions and do not require any user action. In addition, Microsoft incorporated 360 different vulnerabilities affecting Chromium into its Edge browser. This is certainly a busier-than-usual patch…

Rubrik Brings Claude-Focused Tooling, Partner Program to Market

Rubrik, a security and AI operations company, has announced a new partner program and enhancements to bolster AI resilience and recovery. Rubrik Agent Cloud for Anthropic’s Claude Code and Claude Cowork will enable organizations to deploy Claude-powered agents at scale with observability, control, and agent rewind. Rubrik’s new cross-platform Rubrik AI automates and accelerates response…

Anthropic’s new model is Mythos on a leash

Earlier this year, Anthropic executives said that their new AI model, Claude Mythos, had such powerful capabilities for harm that they would not release it publicly. On Tuesday, the company said it was making an altered version of Mythos available to the public, promising “new guardrails” that thwart the model’s best-in-class performance in hacking and…

Critical Veeam RCE Flaw Lets Low-Privilege Users Take Over Backup Servers

Veeam addressed a critical RCE vulnerability flaw in Backup & Replication that lets low-privileged domain users take control of backup servers. Veeam has patched a critical remote code execution vulnerability, tracked as CVE-2026-44963 (CVSS v4 Score of 9.4), affecting Backup & Replication version 12.x. The flaw could allow a low-privileged domain user to execute code on…

CISA is rethinking how it prioritizes risks and vulnerabilities for feds, private sector

The Cybersecurity and Infrastructure Agency wants to fundamentally reevaluate how it prioritizes risks and vulnerabilities, both for privately-owned critical infrastructure and within the federal government, acting director Nick Andersen said Tuesday. The plans include a binding operational directive for federal agencies set to be published Wednesday and getting more specific with critical infrastructure owners and…

Cisco customers encounter another SD-WAN zero-day under attack

Cisco customers are confronting yet another actively exploited zero-day vulnerability affecting the vendor’s SD-WAN management software, reinforcing pressure on organizations that have experienced rare breaks from active threats this year. The vulnerability — CVE-2026-20245 — marks the seventh actively exploited zero-day in Cisco SD-WANs this year. Cisco said it first became aware of active exploitation…

WinRAR Flaw Exploited by Russia-Aligned Groups to Deploy Stealers in Ukraine

Two Russia-aligned cyber attack campaigns have continued to exploit a security flaw in WinRAR to target Ukrainian organisations, almost a year after patches for the vulnerability were released. The activity has been attributed by Trend Micro to Earth Dahu (aka Gamaredon) and SHADOW-EARTH-066 (aka UAC-0226). It involves the exploitation of CVE-2025-8088, a path traversal flaw…

Check Point warns of ransomware-linked attacks exploiting outdated VPN protocol

Check Point has issued emergency hotfixes for a pair of vulnerabilities affecting VPN deployments that still use the deprecated Internet Key Exchange version 1 (IKEv1) protocol, warning that one of the flaws is already being exploited in the wild. The more serious issue allows attackers to establish VPN sessions without a valid password, potentially giving…

Chrome V8 Zero-Day CVE-2026-11645 Exploited in the Wild – Patch Now

Google has released security updates to address 74 vulnerabilities, including one that has come under active exploitation in the wild. The high-severity vulnerability, tracked as CVE-2026-11645 (CVSS score: 8.8), has been described as an out-of-bounds memory access in V8, Chrome’s JavaScript and WebAssembly engine. “Out-of-bounds read and write in V8 in Google Chrome prior to…

LiteLLM vulnerability under active attack, CISA warns (CVE-2026-42271)

A command injection vulnerability (CVE-2026-42271) in BerryAI’s LiteLLM open-source AI gateway is being exploited by attackers, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed by adding the flaw to its Known Exploited Vulnerabilities catalog on Monday. About CVE-2026-42271 LiteLLM is an open-source library that provides a unified interface for calling many different large language…

Google patches Chrome zero-day exploited in the wild (CVE-2026-11645)

Google has fixed 74 vulnerabilities in Chrome, including a high-severity zero-day (CVE-2026-11645) that has been exploited in the wild. “Google is aware that an exploit for CVE-2026-11645 exists in the wild,” the company said in a Monday security advisory. The fix has been shipped in Chrome 149.0.7827.102/.103 for Windows and macOS and Chrome 149.0.7827.102 for…

Security shifts to the human layer as AI scams surge

Cybercriminals are increasingly reshaping familiar social-engineering campaigns around the way employees use AI, with separate advisories from Microsoft and Google documenting how attackers are adapting scams to AI-powered tools, trusted digital services, and changing workplace behavior. Microsoft Threat Intelligence, in its advisory, said threat actors are “leveraging the wider global interest around AI itself as…

Filigran Debuts XTM One to Automate Threat Exposure Management

Cybersecurity company Filigran has unveiled XTM One, an AI-native agentic layer that automates Continuous Threat Exposure Management (CTEM) workflows across the Filigran XTM Platform.  XTM One automates CTEM handoffs According to Filigran, XTM One was built to address the bottleneck of security teams having to manually move between their tools, particularly when ingesting threat intelligence…

Mythos Preview can weaponize N-day vulnerabilities in hours

Mythos Preview can develop working exploits from newly disclosed software vulnerabilities in hours, cutting down a process that has historically taken days or weeks, according to Anthropic. Anthropic’s recent cybersecurity research has largely focused on zero-days, vulnerabilities unknown to software vendors. The new study examines N-days, vulnerabilities that have already been disclosed and patched but…

AI worm prototype shows attackers don’t need Mythos to take over your network

Researchers from the University of Toronto developed a computer worm prototype powered by an AI agent that successfully self-replicated to different systems within a simulated computer network. The worm used a free large language model (LLM) running on local hardware and exploited a combination of older and new vulnerabilities, as well as misconfigurations that remain…

U.S. CISA adds BerriAI LiteLLM and Check Point Security Gateway flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds BerriAI LiteLLM and Check Point Security Gateway flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added BerriAI LiteLLM and Check Point Security Gateway flaws to its Known Exploited Vulnerabilities (KEV) catalog. The two flaws added to the catalog are: CVE-2026-42271 (CVSS score…

LiteLLM Flaw CVE-2026-42271 Exploited in the Wild, Chains to Unauthenticated RCE

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a high-severity flaw impacting BerriAI LiteLLM to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2026-42271 (CVSS score: 8.7), is a command injection vulnerability that could allow any authenticated user to run arbitrary commands on the

The architecture of subtraction: Why it’s time to erase the roads, not just map the traffic

The advent of AI-assisted vulnerability discovery and autonomous exploit development has brought about a new age in cybersecurity—one in which we can no longer rely on patching as a primary defense mechanism. Patching is, by definition, a reactive approach to security. It cannot occur until after a vulnerability is discovered and a vendor fix is…

Meet Hades: The malware that lies to AI security agents

Threat actors are continuing their onslaught against software supply chains, now with malware named after death itself. The newly-discovered Hades Campaign is a “highly sophisticated” supply chain compromise that targets Python developer environments and runs as soon as infected packages are imported. It uses the popular Bun toolkit to silently execute multi-layer payloads that can…

Attackers exploiting unpatched Cisco SD-WAN flaw

Cisco warns customers of an actively exploited high-severity vulnerability in Catalyst SD-WAN Manager, an enterprise network management system that has been targeted by hackers multiple times in the past. Located in the command-line interface, the flaw allows authenticated attackers to escalate privileges to root and take over the entire system. The vulnerability, tracked as CVE-2026-20245,…

One-Character Linux Kernel Flaw Enables Local Root Access, Exploits Now Public

Security researchers have published a detailed, working exploit for a Linux kernel use-after-free that lets an unprivileged local user escalate to root and break out of a container. The flaw, CVE-2026-23111, sits in the kernel’s nf_tables packet-filtering code and was patched upstream on February 5, 2026. Exodus Intelligence released its full technical walkthrough on June…

TeamPCP Supply Chain Campaign: Activity Through 2026-06-07, (Mon, Jun 8th)

This diary continues the Internet Storm Center’s tracking of the TeamPCP supply chain campaign, first documented in the SANS white paper When the Security Scanner Became the Weapon and most recently in the handler diary Activity Through 2026-05-24. Since that update, the story moved into two new places: the United States government, which formally caught up to the…

Critical Check Point VPN Flaw Exploited to Bypass Passwords in IKEv1 Setups

Check Point has warned of active exploitation of a critical vulnerability impacting Remote Access VPN and Mobile Access deployments that are configured to use the deprecated IKEv1 key exchange protocol. The vulnerability, tracked as CVE-2026-50751 (CVSS score: 9.3), is a case of a logic flow weakness in certificate validation that allows an unauthenticated remote attacker…

Hackers used Meta’s AI support system to hijack over 20,000 Instagram accounts

Meta has revealed that attackers hijacked 20,225 Instagram accounts by exploiting a flaw in the company’s AI-assisted account recovery system. According to the company, a vulnerability in High Touch Support (HTS) allowed unauthorized parties to perform password resets on Instagram accounts. HTS is an AI-assisted account recovery system for Instagram designed to help users regain…

Qilin ransomware affiliate exploited Check Point VPN zero-day (CVE-2026-50751)

A Qilin ransomware affiliate is believed to be exploiting CVE-2026-50751, an authentication bypass vulnerability in Check Point VPN Remote Access and Mobile Access, the company announced on Monday. About CVE-2026-50751 Check Point Remote Access VPN enables and secures connections between corporate networks and remote or mobile devices. Check Point Mobile Access lets mobile and remote…

Google Protocol Buffers flaw turns schemas into shells

A widely used JavaScript implementation of Google’s Protocol Buffers format is placing too much trust in untrusted data, exposing affected applications to remote code execution and other attacks. Researchers at Cyera have disclosed six vulnerabilities affecting “protobuf.js,” all stemming from the library’s handling of schema and metadata. Attackers could exploit an input validation oversight to…

RidgeBot 7.0 automates Active Directory attack simulations for security validation

Ridge Security has announced the release of RidgeBot 7.0, an update to its automated security validation platform that introduces automated Windows Active Directory penetration testing capabilities. The new version enables organizations to conduct end-to-end domain compromise simulations, helping security teams identify attack paths and prioritize exploitable risks. RidgeBot 7.0 delivers automated Active Directory penetration testing…

UNC3753 Escalates: From Vishing Calls to Physical Office Intrusions at US Legal and Financial Firms

UNC3753 phones staff posing as IT, hijacks screen sessions, steals sensitive legal files, and now sends operatives physically into offices to plug in USB drives. Google Mandiant and the Google Threat Intelligence Group published a detailed report documenting an active extortion campaign carried out by the cybercrime group UNC3753 (aka Luna Moth, Chatty Spider, and…

CISA: Patch actively exploited SolarWinds Serv-U DoS vulnerability (CVE-2026-28318)

A vulnerability (CVE-2026-28318) that can be exploited to crash SolarWinds Serv-U file transfer servers is being leveraged by attackers in the wild, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed on Friday. The agency has ordered US federal civilian agencies to address it by June 19, 2026, either by implementing a patch or implementing…

Meta AI Recovery Tool Flaw Exposed 20,000+ Instagram Accounts

A flaw in Meta’s AI-powered Instagram recovery tool exposed over 20,000 accounts, letting attackers reset passwords and take over profiles. Meta’s High Touch Support tool, known as HTS, was designed to help Instagram users recover locked accounts: you provide an email address, you get a password reset link. The flaw was equally simple: the tool…

15 tough cybersecurity questions every CISO must answer

As CISOs know, an effective security program cannot be static. Rather, it must adapt to the evolving threat landscape and an ever-changing business environment. To adapt and improve, CISOs must continuously evaluate their existing program. That starts with asking tough questions about their performance, investments, and strategies. Here, security leaders share 15 questions every CISO…

Why most enterprise security teams would fail a military readiness test

Have you ever watched a military cyber ops team go to work responding to a cyberattack simulation? It’s like that scene from Die Hard 4.0 when all the screens start flashing red and systems start shutting down; however, unlike the movies, where bumbling government IT workers are caught out and panicking, our military actually moves…

IoT Botnet C0XMO Adds Competitor-Killing Capability

C0XMO is a new Gafgyt botnet variant exploiting old router flaws, spreading across IoT devices, killing rivals, and enabling large-scale DDoS attacks. In March 2026, FortiGuard Labs discovered a new variant of the Gafgyt botnet, dubbed C0XMO, which is noticeably more capable than its predecessors. The malware spreads through CVE-2021-27137, a stack buffer overflow in…

Security Affairs newsletter Round 580 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. U.S. CISA adds SolarWinds Serv-U flaw to its Known Exploited Vulnerabilities catalog Report: Anthropic Deploys Engineers…

U.S. CISA adds SolarWinds Serv-U flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds SolarWinds Serv-U flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added SolarWinds Serv-U flaw, tracked as CVE-2026-28318 (CVSS ver 3.1 score of 7.5), to its Known Exploited Vulnerabilities (KEV) catalog. SolarWinds Serv-U is a managed file transfer (MFT) and secure file…

Report: Anthropic Deploys Engineers to Support NSA Use of Mythos

Reports claim Anthropic engineers are helping the NSA use its restricted AI model Mythos, known for advanced cybersecurity capabilities. This week, the Financial Times reported that Anthropic has placed approximately six “forward-deployed” engineers inside the National Security Agency to help the intelligence agency use Mythos, its most capable cyber model, for offensive operations. Two people…

CISA Adds Actively Exploited SolarWinds Serv-U DoS Flaw to KEV Catalog

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a high-severity security flaw impacting SolarWinds Serv-U multi-protocol file server software to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, tracked as CVE-2026-28318 (CVSS score: 7.5), is a denial-of-service (DoS) bug that causes the service to crash

Claude Opus Found a Four-Year-Old Hole in Zcash’s Privacy Layer. Nobody Knows If Someone Already Used It.

Claude Opus 4.8 helped uncover a four-year-old critical flaw in Zcash that could have enabled undetectable creation of counterfeit coins. On May 29, the security researcher Taylor Hornby found a critical vulnerability in Zcash Orchard privacy pool using Claude Opus 4.8. The Zcash team hired Hornby specifically to look for this kind of issue. He…