Chrome CacheStorage: leak sensitive data (fix 156.0.8078.79)

high severity · published 2026-10-30

A remote attacker who has already taken over a browser renderer process can get sensitive information out of the browser through a crafted web page, using an incorrect reference resolution flaw in the CacheStorage component of Chrome. Chromium rates it High.

Fixed in: 156.0.8078.79

CVE: CVE-2026-119270

Source: NVD

Am I affected?

You are affected if the installed version is older than 156.0.8078.79. Check the version you have and update to 156.0.8078.79 or later. The fixed version is verified against a vendor or advisory source.

Get the fix

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 647 and your operating system.