What is GHSA-qwmc-fc5p-qxxh?

GHSA-qwmc-fc5p-qxxh is a security advisory published by GitHub Security Advisories with Low severity. Missing authorization in SiteIsolation in Google Chrome prior to 152.0.7977.65 allowed a remote...

Which CVE IDs does GHSA-qwmc-fc5p-qxxh cover?

GHSA-qwmc-fc5p-qxxh covers the following CVE IDs: CVE-2026-78953. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-qwmc-fc5p-qxxh?

GHSA-qwmc-fc5p-qxxh has a CVSS v3 base score of 3.1, published by GitHub Security Advisories.

GHSA-qwmc-fc5p-qxxhLowCVSS 3.1

Missing authorization in SiteIsolation in Google Chrome prior to 152.0.7977.65 allowed a remote...

Vendor

GitHub Security Advisories

Published

August 25, 2026

Last Modified

August 27, 2026

🔗 CVE IDs covered (1)

CVE-2026-78953 →

📋 Description

Missing authorization in SiteIsolation in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted PDF file. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-78953
https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html
https://issues.chromium.org/issues/516665605
https://github.com/advisories/GHSA-qwmc-fc5p-qxxh