What is GHSA-6899-r89m-h4v9?

GHSA-6899-r89m-h4v9 is a security advisory published by GitHub Security Advisories with Critical severity. Use after free in PictureInPicture in Google Chrome prior to 157.0.8103.38 allowed a remote...

Which CVE IDs does GHSA-6899-r89m-h4v9 cover?

GHSA-6899-r89m-h4v9 covers the following CVE IDs: CVE-2026-121185. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-6899-r89m-h4v9?

GHSA-6899-r89m-h4v9 has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-6899-r89m-h4v9CriticalCVSS 9.6

Use after free in PictureInPicture in Google Chrome prior to 157.0.8103.38 allowed a remote...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 4, 2026

🔗 CVE IDs covered (1)

CVE-2026-121185 →

📋 Description

Use after free in PictureInPicture in Google Chrome prior to 157.0.8103.38 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-2026-121185
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/565681453
https://github.com/advisories/GHSA-6899-r89m-h4v9