Latest cybersecurity reporting from selected sources.

Also, YellowKey Bypasses BitLocker, Škoda Breach, Kingdom Market Operator JailedThis week, U.S. lawmakers urged action on AI, a BitLocker exploit. Škoda, Nvidia’s GeForce NOW partner and telehealth firm OpenLoop reported breaches. Patch Tuesday. A dark market operator sentenced and pro-Ukraine and Iranian-linked hacking. Nitrogen ransomware attack on Foxconn.

Kernel Privilege Escalation Has One Linux Maintainer Contemplating a 'Kill Switch'Back-to-back kernel vulnerabilities in Linux has defenders scrambling to apply defenses in the age of quick turnaround time for hackers to exploit nascent flaws. "Dirty Frag" and "Copy Fail" kernel privilege escalation vulnerabilities became public knowledge within two weeks of each other.

Google Says Criminals Used AI to Discover and Code ExploitA cybercriminal group came close to launching a mass attack earlier this year, armed with a software exploit that an AI model had built from scratch, said Google researchers. Google said it worked with the affected vendor to patch the flaw before an attack could be launched.

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.

Ex-Microsoft CIO: Mythos Could Surface Known Flaws Faster Than Vendors Can Fix ThemFormer Microsoft CIO Jim DuBois and IDC's Frank Dickson say Claude Mythos Preview could rapidly surface long-known but unfixed software flaws at scale, forcing vendors and enterprises to strengthen patch validation, orchestration and deployment before attackers exploit the backlog.

But Expect Plenty of Bottlenecks in Coordination, Validation and Patch DeploymentAnthropic's Claude Mythos Preview shows how AI can discover and chain vulnerabilities at scale, but the bigger challenge for defenders is redesigning disclosure, triage and patching processes so fixes can be deployed safely before attackers exploit the gap.

Also, Lloyds Data Leak, Dutch Treasury Breach, Citrix Bug Exploit, Pay2Key ActivityThis week, Lloyds data leak hits 450K, Dutch treasury breach, Citrix flaw exploited, Iran-linked ransomware ops, TrueConf zero-day, Russian fraud ring sentenced, Romania targeted, patch gaps persist, and U.S. hospital breach affects 257K.

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.

Cisco Fixes ISE Bug; HPE OneView Under Fire; Exploit Code Drops for n8n FlawThe new year is off to a fresh start on the vulnerability and exploit alert front: Cisco has patched a critical Identity Services Engine; cybersecurity officials warn that an HPE OneView vulnerability is being actively exploited; and proof-of-concept exploits drop for n8n automation software.

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.

Scans Count 117,000 Unpatched Firewalls Running Vulnerable Version of Fireware OSAttackers are actively attempting to exploit a now patched, zero-day vulnerability in WatchGuard Firebox firewalls, tracked as CVE-2025-14733, that can be used to remotely execute code. Scans show that over 115,000 of these edge devices remain internet-connected, unpatched and at risk.

Patch Now, as Scans and Hack Attempts Happening 'at Scale,' Security Experts WarnHacker interest is high in a days-old vulnerability in widely used web application framework React, with dozens of organizations already falling victim to it, cybersecurity experts warn. React is used by an estimated two-fifths of the world's top 10,000 websites.

Federal Agencies Ordered to Patch or Decommission F5 Devices Amid Imminent RiskAn advanced nation-state threat actor stole sensitive F5 source code and vulnerability data to craft tailored exploits, prompting an emergency directive amid a U.S. government shutdown that has left cyber defenses strained and federal networks at "imminent risk."

Chipmaker Confirms Vulnerability, Which Poses Risk to Confidential Cloud ComputingChipmaker Advanced Micro Devices is issuing fixes for a vulnerability in multiple types of processors, dubbed "RMPocalypse," that attackers could exploit to access data being transmitted to, processed or stored in confidential virtual machines provided by cloud service providers.

Medusa Ransomware Group Tied to Exploits of Now-Patched Zero-Day VulnerabilityRecent attacks targeting Fortra's GoAnywhere managed file transfer software exploited a "limited" number of customers who set their on-premises installations to have an administrative console publicly exposed to the internet, which the vendor recommends customers never do.

Researcher Found Bug Could Exfiltrate Secrets Via Camo ImagesA now-patched flaw in GitHub Copilot Chat could have allowed attackers to steal private source code and secrets by embedding hidden prompts that hijacked the artificial intelligence assistant's responses. The exploit also used the code hosting platform's image proxy to leak the stolen data.

Deploy Emergency Patch for Zero-Day Flaw, Hunt for Signs of Intrusion, Warn ExpertsOracle patched a zero-day vulnerability in Oracle E-Business Suite and urged customers to immediately install the fix. The flaw has been exploited since August by the Clop ransomware group, and with exploit code now having leaked, experts expect to see many more attackers join the fray.

Data-Grabbing Attacks Appear to Compromise Organizations Without July Patch UpdateOracle has confirmed reports that its customers are being targeted by data-stealing extortionists. Experts said attackers appear to be exploiting E-Business Suite customers who haven't yet installed patches released by Oracle in July to fix critical, remotely exploitable vulnerabilities.

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.

Citrix Publishes Patches After Attackers Exploit Memory Overflow VulnerabilityNetScaler customers of virtualization giant Citrix once again should patch immediately to stymie the hackers exploiting a zero-day. Citrix warned Tuesday that hackers are using a memory overflow vulnerability now tracked as CVE-2025-7775. The vulnerability carries a CVSS score of 9.2.