Latest coverage for Critical Vulnerability

Also, 23andMe Breach Settlement, GitHub AI Flaw, Ubiquiti Patches Critical BugsThis week, hidden breaches, researchers exposed a GitHub AI agent flaw, an Ubiquiti critical flaw, a ColdFusion flaw, a growing Chinese ORB, U.K. government FortiBleed exposure, 23andMe victims get $46.75 million, 3.8 million affected by Medtronic breach and Cerner's 2025 victim count went up.

No Patches Yet Available, After Third Party Published Vulnerability DetailsSecurity researchers have discovered a new, critical flaw in the Linux kernel that attackers can exploit to gain root access. No patches are yet available to fix "Dirty Frag," the second new local privilege escalation flaw to be found in two weeks, following the similar "Copy Fail" vulnerability.

Vendor Details Mitigations, Promises Patched PAN-OS Software in Coming WeeksPalo Alto Networks warned that a critical vulnerability in the PAN-OS software that runs its firewalls is being actively exploited in the wild by attackers. The vendor detailed temporary mitigations and promised to release updated software to fully patch the flaw later this month.

Critical Flaw Needs Patching in Widely-Used, Shared Hosting Infrastructure SoftwareTens of thousands of online dashboards controlling servers and web hosting accounts appear to have been compromised by attackers exploiting a recently announced, critical vulnerability.

Also, Eurail Breach, ChipSoft Hospital Disruptions, W3LL Phishing TakedownThis week, a "Raccoon"-linked actor hit help desks, Eurail exposed 308K users, Fortinet patched critical flaws, Pushpaganda scams, major data leaks hit healthcare and China, ransomware and phishing ops surged, and multiple breaches impacted firms and hospitals.

Vendor Issues Hotfix for Critical Flaw in FortiClient Endpoint Management ServerFortinet's endpoint management security server software is under fire from attackers, who are actively targeting two critical flaws, including a fresh zero-day that facilitates unauthenticated remote code or command execution. The vendor has issued a hotfix and promised a full patch.

Researcher: If Exploited, Bug Could Crash Hospital Medical Imaging SystemsThe Cybersecurity Infrastructure and Security Agency is warning of a high severity in Grassroots DICOM, an open-source library commonly used for medical imaging products, that if exploited could allow an attacker to send a specially crafted file resulting in a denial-of-service situation.

Police Fanned Out Early Sunday Brandishing an Advisory of a CVSS 10 VulnerabilityPolice officers across Germany roused corporate IT administrators during the early hours of Sunday morning. Their message to bleary-eyed admins was to immediately patch a critical vulnerability in popular product lifecycle management software from U.S. vendor PTC.

Bug Allows Attackers to Hijack AI Agents Via Poisoned DocumentationSecurity researchers at Noma Labs found a critical flaw in Context7, a widely used tool that feeds AI coding assistants documentation, allowing attackers to plant hidden instructions to steal credentials and delete files without touching a developer's machine.

Juniper Tells Customers to Tune Their FirewallA critical vulnerability in Juniper Networks' primary operating system could give threat actors root level privileges to execute code on Juniper’s PTX Series routers. Successful exploitation would give attackers full command and control over devices without the need for authentication.

Flaws Let Attackers Run Commands and Steal API Keys Before Trust PromptCheck Point research found three critical flaws in Anthropic's Claude Code that allow attackers to execute arbitrary commands and steal API keys through repository configuration files, before users see a trust prompt. The AI giant has patched all three vulnerabilities.

Critical Vulnerability Could Give Attackers Foothold in Clinical NetworksFederal authorities and industry officials are urging healthcare sector entities to address a critical flaw in BeyondTrust Remote Support and Privileged Remote Access software, which if exploited, could give an attacker a foothold inside a hospital or clinic network.

Also: EU Bans AI Tools, Notepad++ Secures Updater, Apple Patches iOS Zero-DayThis week, Cambodia shuttered 200 scam centers. EU Parliament banned AI tools. Canada Goose disputed a ShinyHunters leak. Notepad++ patched an updater flaw. Apple fixed a decades-old iOS zero-day. BeyondTrust and Dell patched critical flaws under active exploitation.

Chinese Attackers Among Those Tied to Attempted Exploits of FortiSIEM AppliancesCritical vulnerabilities in edge devices are continuing to be discovered by security researchers and rapidly targeted by attackers. Lately, this includes a critical vulnerability in Fortinet's FortiSIEM appliances, which Chinese and other hackers began targeting just two days post-patch.

Patches Issued for MongoBleed as Ransomware Groups Target Flaw to Steal DataTens of thousands of internet-exposed MongoDB databases are at risk as attackers actively target a critical vulnerability in the software to steal sensitive data, with ransomware groups having joined the fray, researchers warn. MongoDB has issued patches and mitigation advice.

Validated, Weaponized Exploit Code for Widely Used Web Framework Bug Now PublicWarnings continue to mount over a critical vulnerability in the widely used web application framework React, with threat intelligence analysts warning that it's being actively targeted by Chinese nation-state groups, and that a legitimate, weaponized proof-of-concept exploit is now public.

Skills Needed: Enterprise Architecture, Configuration and Vulnerability ManagementWhen a critical vulnerability surfaces in ERP systems such as the Oracle E-Business Suite flaw, attackers can go well beyond a single compromised server. The flaw exposed the need for cyber professionals who understand enterprise architecture, secure configuration and vulnerability interpretation.

Mandiant Reveals Critical Flaw Exposes Sitecore ProductsAttackers exploited a now-patched zero-day vulnerability in a popular content management system that powers websites for companies including HSBC, L’Oréal, Toyota and United Airlines. Attackers used a cryptography key stored in some deployments to force the system into loading malware.

Unauthenticated Bugs Allow Full Remote Code Execution

Remote Code Execution Flaw Affects More Than 5,000 ServersThreat actors are actively exploiting a critical vulnerability in a server file transfer solution. Researchers say the flaw in Wing FTP Server could allow threat actors to execute system-level commands remotely, using null byte and Lua injection without authentication.