Google Chromium CSS Use-After-Free Vulnerability

Google Chromium

Google Chromium CSS contains a use-after-free vulnerability that could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. Added to CISA KEV on 2026-02-17 (federal deadline 2026-03-10).

First seen: 17 Feb 2026
Last update: 17 Feb 2026, 12:00 UTC
Identifiers: CVE-2026-2441
Source: CISA KEV
On the menu as: Chrome

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Google Chromium CSS Use-After-Free Vulnerability
Severity: high, exploited in the wild. Patch status: patched.
Affected: Google Chromium
Ids: CVE-2026-2441

Google Chromium CSS contains a use-after-free vulnerability that could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. Added to CISA KEV on 2026-02-17 (federal deadline 2026-03-10).

## Steps
1. Search the repo, its CI and infra config for Google Chromium. If present, report the version in use and whether it's affected.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-2441") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://chromereleases.googleblog.com/2026/02/stable-channel-update-for-desktop_13.html https://nvd.nist.gov/vuln/detail/CVE-2026-2441
https://pwned.coffee/i/google-chromium-css-use-after-free-vulnerability-cve-2026-2441

Sources

Totalone hot coffee