What is GHSA-g2gq-v6g9-5365?

GHSA-g2gq-v6g9-5365 is a security advisory published by GitHub Security Advisories with Medium severity. Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778...

Which CVE IDs does GHSA-g2gq-v6g9-5365 cover?

GHSA-g2gq-v6g9-5365 covers the following CVE IDs: CVE-2026-8563. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-g2gq-v6g9-5365?

GHSA-g2gq-v6g9-5365 has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

GHSA-g2gq-v6g9-5365MediumCVSS 4.3

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778...

Vendor

GitHub Security Advisories

Published

May 14, 2026

Last Modified

May 15, 2026

🔗 CVE IDs covered (1)

CVE-2026-8563 →

📋 Description

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-8563
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
https://issues.chromium.org/issues/40061220
https://github.com/advisories/GHSA-g2gq-v6g9-5365