What is GHSA-pfh4-66j4-wgmv?

GHSA-pfh4-66j4-wgmv is a security advisory published by GitHub Security Advisories with Critical severity. Incorrect authorization in FileSystem in Google Chrome prior to 157.0.8103.78 allowed a remote...

Which CVE IDs does GHSA-pfh4-66j4-wgmv cover?

GHSA-pfh4-66j4-wgmv covers the following CVE IDs: CVE-2026-126872. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-pfh4-66j4-wgmv?

GHSA-pfh4-66j4-wgmv has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-pfh4-66j4-wgmvCriticalCVSS 9.6

Incorrect authorization in FileSystem in Google Chrome prior to 157.0.8103.78 allowed a remote...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-126872 →

📋 Description

Incorrect authorization in FileSystem in Google Chrome prior to 157.0.8103.78 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-126872
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html
https://issues.chromium.org/issues/577376424
https://github.com/advisories/GHSA-pfh4-66j4-wgmv