Google warns that Armory Castle, a suspected PRC state-sponsored espionage actor, exploited the critical BeyondTrust Remote Support vulnerability CVE-2026-102764 (CVSS 9.3) in August 2026, well before BeyondTrust disclosed it on October 15. The actor escalated privileges to root and established persistent access on compromised appliances.…
Mandiant and GTIG attribute exploitation of the critical BeyondTrust Remote Support zero-day CVE-2026-102764 to Armory Castle (formerly tracked as UNC5221), a likely Chinese government-backed espionage group. BeyondTrust dates the first known exploitation to Aug. 29 and says it detected and contained the activity Sept. 28. Only a small nu…
Microsoft released updates for at least 974 vulnerabilities in Windows and other software, its largest Patch Tuesday ever. The previous record was 570 fixes in July. The 2026 total now exceeds 2,600, more than double the 2020 record year (1,245), with three months still to go. Microsoft and other large vendors, including Adobe, Cisco, Goo…
ConnectWise suspended Cloud Backup (formerly SkyKick), SaaS Security and Cloud Management after unknown actors gained unauthorized access to its application identities and used them to sign in to customers' Microsoft 365 tenants. ConnectWise says it identified the incident on October 14, 2026 (thehackernews.com) and began mitigations on O…
Eight intermediate CA certificates of the Indian certificate authority eMudhra (emSign brand), generated on 30 April 2025, were found to have P-384 private keys so weak (integers below 256) that anyone can recover them from the public certificates and forge browser-trusted certificates for any domain. A researcher credited as Wayne report…
This SentinelOne weekly roundup (Week 41, 2026) covers law enforcement actions, a phishing campaign and an actively exploited vulnerability. The most urgent item is CVE-2026-21589, a critical (CVSS 9.3) unauthenticated arbitrary file access flaw in Atlassian Data Center products. Exploitation attempts began about two hours after a public …
Wiz Research disclosed multiple memory-safety vulnerabilities in the core PHP engine, grouped under two CVEs with severity up to CVSS 9.2, and patched by the PHP team on October 21, 2026. The flaws allow unauthenticated remote code execution or disclosure of process memory (passwords, tokens, API keys, certificates) on any site running an…
The LiteLLM release 1.107.0 (a widely used open source LLM proxy and AI gateway developed by BerriAI, about 23 million weekly downloads per theregister.com) was trojanized on PyPI on 21 October 2026 and carries a credential stealer (privcollect) plus a remote code execution backdoor. All wheels (Linux, macOS, Windows) drop three extra fil…
Two critical vulnerabilities affect PHP, in all versions since PHP 5 (2004). The NSA warned about them on Wednesday 21 October 2026, saying they let attackers reach the server file system or the database used by the web application (techcrunch.com). The PHP Foundation released four updates on 21 October 2026, including PHP 8.5.12. Each fl…
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, …
The PHP security team released emergency fixes on October 21, 2026 for two critical core flaws, CVE-2026-109618 and CVE-2026-109619, nicknamed PHP2Shell. Both are rated CVSS v4.0 9.2 and allow unauthenticated remote code execution (RCE) as the web worker account. They can also expose process memory that may hold credentials and API keys (…