What is GHSA-4mp6-2r26-5pw4?

GHSA-4mp6-2r26-5pw4 is a security advisory published by GitHub Security Advisories with High severity. Use after free in FileSystem in Google Chrome prior to 149.0.7827.197 allowed a remote attacker...

Which CVE IDs does GHSA-4mp6-2r26-5pw4 cover?

GHSA-4mp6-2r26-5pw4 covers the following CVE IDs: CVE-2026-13027. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4mp6-2r26-5pw4?

GHSA-4mp6-2r26-5pw4 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-4mp6-2r26-5pw4HighCVSS 8.8

Use after free in FileSystem in Google Chrome prior to 149.0.7827.197 allowed a remote attacker...

Vendor

GitHub Security Advisories

Published

June 24, 2026

Last Modified

June 24, 2026

🔗 CVE IDs covered (1)

CVE-2026-13027 →

📋 Description

Use after free in FileSystem in Google Chrome prior to 149.0.7827.197 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-13027
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0482630350.html
https://issues.chromium.org/issues/520543781
https://github.com/advisories/GHSA-4mp6-2r26-5pw4