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Talos has identified UAT-11473, a highly sophisticated APT, who exploited CVE-2026-20127, an authentication bypass vulnerability in Cisco SD-WAN Catalyst Controller instances to bypass authentication and gain unauthorized access to affected systems to deploy KeyDrift.
IntroductionOn October 21, 2026, the Node.js project disclosed CVE-2026-111497, an out-of-bounds write vulnerability in Google’s Brotli decoder used by Node.js and other software. The vulnerability is also known as Node2Shell and more recently as HTTP2Shell. The CVE score, filed by Google as the numbering authority, is 9.2 (Critical) on CVSS 4.0. The flaw can be triggered when a vulnerable process decompresses attack…
Cybersecurity researchers have disclosed details of what appears to be an artificial intelligence (AI)-assisted attack orchestrated by a suspected China-nexus threat actor that has leveraged the PHP2Shell vulnerabilities to breach exposed systems. The activity, which was observed on October 25, 2026, involved an attacker combining PHP2Shell with a kernel privilege escalation exploit to root
The threat actor lurked behind bots posing as agents from OpenAI, Anthropic, Meta, and others to find exposed data.
