What is GHSA-mfqw-6j28-58x9?

GHSA-mfqw-6j28-58x9 is a security advisory published by GitHub Security Advisories with Medium severity. Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53...

Which CVE IDs does GHSA-mfqw-6j28-58x9 cover?

GHSA-mfqw-6j28-58x9 covers the following CVE IDs: CVE-2026-11284. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mfqw-6j28-58x9?

GHSA-mfqw-6j28-58x9 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-mfqw-6j28-58x9MediumCVSS 6.5

Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53...

Vendor

GitHub Security Advisories

Published

June 5, 2026

Last Modified

June 5, 2026

🔗 CVE IDs covered (1)

CVE-2026-11284 →

📋 Description

Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-11284
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/502073069
https://github.com/advisories/GHSA-mfqw-6j28-58x9