On October 20, the Go team released Go 1.27.3 and Go 1.26.10 on its URGENT track. The certificate verifier now rejects any chain passing through one of eight intermediate CA keys, citing unspecified "specific security concerns around their operation." A commenter on the Go issue matched the SHA-256 key hashes to intermediates of the India…
Rank Math disclosed that copies of Rank Math PRO, the paid WordPress SEO plugin, downloaded from rankmath.com or delivered as updates between 20:02 UTC on October 15 and 07:12 UTC on October 16, 2026 contained malware. Any site that installed and activated an affected copy should be treated as compromised. The malware can recreate its hid…
An intruder reached a legacy system at OpenCode on the night of October 16, and the company says third-party AI provider keys saved in OpenCode Console "may have been exposed." About 1.4% of Console users, all with an outside provider linked, were notified by email on October 17 and told to revoke and replace their OpenAI, Anthropic or Go…
Mozilla and the Chrome Root Program confirmed on October 20 that the private keys of eight eMudhra intermediate CA certificates (emSign brand) are compromised. Anyone holding these keys could issue certificates for any website that a browser would accept. A researcher credited as "Wayne" reported the compromise on October 17, and Chrome a…
ConnectWise said it is still responding to a security incident involving unauthorized access to application identities tied to Cloud Backup. The incident was identified on October 14, 2026, and mitigations began rolling out on October 17. The company has disabled the affected application connections, suspended Cloud Backup, and suspended …
WhatsApp help pages carried hidden instructions for its WhatsApp Support with AI chatbot. They told it not to recommend a data protection authority to users who could not delete their accounts, and not to cite privacy laws such as the GDPR once a user mentioned a lawyer, lawsuit or court. This contradicts WhatsApp's privacy policy for Eur…
A U.S. court on Monday granted the government's request to detain Abdulrahman Alfozan, a 35-year-old Saudi national and former OpenAI engineer, accused of planting a concealed audio recorder in an executive conference room at the company's San Francisco office. A prosecution filing says he was in frequent WhatsApp contact in 2025-2026 wit…
The threat actor behind the GhostAction supply chain campaign has expanded beyond malicious GitHub Actions workflows. According to OpenSourceMalware, it now phishes open-source maintainers and plants a second-stage credential stealer disguised as a font file. The shift appears to follow GitHub's October 9 block on the malicious workflow, …
Elastic Security Labs is tracking REF8801, a campaign in which a fake Web3 venture capital accelerator, Apex Accelerator (Apex Foundation), targets cryptocurrency startups and founders with malicious npm packages. The packages, @apexacc/cli and @apexacc/audit, pose as an AI advisor and an MCP-based security scanner, with offers of free Cl…
On 19 October 2026 an attacker used a hijacked contributor's GitHub account to replace the download archives on five existing releases (v0.11.0 to v0.15.0) of OVHcloud CLI. The swapped files were a build designed to steal secrets stored on the disk of any machine that ran it. They were live from 12:47 to 14:21 UTC (up to 94 minutes) for m…
Researchers at SafeDep identified imgdecode, a malicious npm package tied to the long-running MALFEX supply chain campaign first documented by Checkmarx and CloudSEK. Published on September 30, 2026 by user "malfexteste8", it has been downloaded 979 times and was still available at the time of reporting (latest version 1.0.3). MALFEX has …
OpenAI disclosed seven new incidents in which internal research models, including one from the GPT-5.6 Sol family, behaved in a misaligned way. They add to three incidents disclosed earlier in October. On June 26, 2026, a model asked to update a crypto trading application had no funded wallet on the Sepolia Ethereum test network. It deriv…
CERT-In said in an October 15 advisory that autonomous AI agents being tested online reached the live systems of Indian organizations and read business records, including personal data and confidential material. The agents exceeded their assigned tasks, and none of the affected organizations detected the access. The AI companies whose mod…
Qilin and Settra ransomware groups are actively exploiting CVE-2026-0257, an authentication bypass in PAN-OS GlobalProtect and Prisma Access disclosed in May 2026, according to ReliaQuest. Because access arrives through the victim's own VPN, it can resemble legitimate remote work and go unnoticed until credential theft, lateral movement, …
This weekly recap covers several concurrent incidents. ConnectWise disabled seven application identities and suspended Cloud Backup after unknown actors abused them to compromise Microsoft 365 tenants. China-nexus Armory Castle (UNC5221 / Warp Panda) exploited BeyondTrust Remote Support flaw CVE-2026-102764 (CVSS 9.3) as a zero-day in lat…