What is GHSA-cw62-w555-56pp?

GHSA-cw62-w555-56pp is a security advisory published by GitHub Security Advisories with Critical severity. Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152.

Which CVE IDs does GHSA-cw62-w555-56pp cover?

GHSA-cw62-w555-56pp covers the following CVE IDs: CVE-2026-12316. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-cw62-w555-56pp?

GHSA-cw62-w555-56pp has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-cw62-w555-56ppCriticalCVSS 9.1

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152.

Vendor

GitHub Security Advisories

Published

June 16, 2026

Last Modified

June 16, 2026

🔗 CVE IDs covered (1)

CVE-2026-12316 →

📋 Description

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 152.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-12316
https://bugzilla.mozilla.org/show_bug.cgi?id=2045496
https://www.mozilla.org/security/advisories/mfsa2026-57
https://www.mozilla.org/security/advisories/mfsa2026-60
https://github.com/advisories/GHSA-cw62-w555-56pp