What is GHSA-pp6f-jf25-x95p?

GHSA-pp6f-jf25-x95p is a security advisory published by GitHub Security Advisories with Critical severity. Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in...

Which CVE IDs does GHSA-pp6f-jf25-x95p cover?

GHSA-pp6f-jf25-x95p covers the following CVE IDs: CVE-2026-16381. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-pp6f-jf25-x95p?

GHSA-pp6f-jf25-x95p has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-pp6f-jf25-x95pCriticalCVSS 9.1

Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in...

Vendor

GitHub Security Advisories

Published

July 21, 2026

Last Modified

July 22, 2026

🔗 CVE IDs covered (1)

CVE-2026-16381 →

📋 Description

Same-origin policy bypass in the Networking: DNS component. This vulnerability was fixed in Firefox 153 and Firefox ESR 140.13.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-16381
https://bugzilla.mozilla.org/show_bug.cgi?id=2041001
https://www.mozilla.org/security/advisories/mfsa2026-68
https://www.mozilla.org/security/advisories/mfsa2026-70
https://github.com/advisories/GHSA-pp6f-jf25-x95p