What is GHSA-q5r9-8rpf-9h3p?

GHSA-q5r9-8rpf-9h3p is a security advisory published by GitHub Security Advisories with Low severity. Incomplete cleanup in SiteIsolation in Google Chrome prior to 152.0.7977.65 allowed a remote...

Which CVE IDs does GHSA-q5r9-8rpf-9h3p cover?

GHSA-q5r9-8rpf-9h3p covers the following CVE IDs: CVE-2026-78903. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q5r9-8rpf-9h3p?

GHSA-q5r9-8rpf-9h3p has a CVSS v3 base score of 3.1, published by GitHub Security Advisories.

GHSA-q5r9-8rpf-9h3pLowCVSS 3.1

Incomplete cleanup 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-2026-78903 →

📋 Description

Incomplete cleanup 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 HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-78903
https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html
https://issues.chromium.org/issues/518078552
https://github.com/advisories/GHSA-q5r9-8rpf-9h3p