high severity ยท published 2026-10-20
A remote attacker who tricks the user can get around the same-origin rule that keeps websites apart through a malicious Chrome extension, using a missing authorization flaw in the DevTools component of Chrome. Chromium rates it Low.
Fixed in: 156.0.8078.47
CVE: CVE-2026-113245
Source: NVD
Fixlane has a reviewed fix procedure for this incident: a read-only check first, then the fix. Ask the Telegram bot, or connect an AI agent to the Fixlane MCP server and call get_fix_prompt with incident id 425 and your operating system.