What is GHSA-w2q9-62j6-jffc?

GHSA-w2q9-62j6-jffc is a security advisory published by GitHub Security Advisories with unknown severity. Improper input validation in WebPackaging in Google Chrome prior to 157.0.8103.38 allowed a...

Which CVE IDs does GHSA-w2q9-62j6-jffc cover?

GHSA-w2q9-62j6-jffc covers the following CVE IDs: CVE-2026-121242. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-w2q9-62j6-jffcunknown

Improper input validation in WebPackaging in Google Chrome prior to 157.0.8103.38 allowed a...

Vendor

GitHub Security Advisories

Published

November 3, 2026

Last Modified

November 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-121242 →

📋 Description

Improper input validation in WebPackaging in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via crafted network traffic. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-121242
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/566857543
https://github.com/advisories/GHSA-w2q9-62j6-jffc