CVE-2026-12456

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.155 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension. (Chromium security severity: High)

• chromium 149.0.7827.155-1 [bullseye] - chromium (see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1061268)