What is GHSA-jqf7-cwv7-8v28?

GHSA-jqf7-cwv7-8v28 is a security advisory published by GitHub Security Advisories with Critical severity. Sandbox escape due to race condition in the XPConnect component. This vulnerability was fixed in...

Which CVE IDs does GHSA-jqf7-cwv7-8v28 cover?

GHSA-jqf7-cwv7-8v28 covers the following CVE IDs: CVE-2026-92050. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jqf7-cwv7-8v28?

GHSA-jqf7-cwv7-8v28 has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-jqf7-cwv7-8v28CriticalCVSS 9.1

Sandbox escape due to race condition in the XPConnect component. This vulnerability was fixed in...

Vendor

GitHub Security Advisories

Published

September 15, 2026

Last Modified

September 21, 2026

🔗 CVE IDs covered (1)

CVE-2026-92050 →

📋 Description

Sandbox escape due to race condition in the XPConnect component. This vulnerability was fixed in Firefox 156.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-92050
https://bugzilla.mozilla.org/show_bug.cgi?id=2061387
https://www.mozilla.org/security/advisories/mfsa2026-90
https://www.mozilla.org/security/advisories/mfsa2026-94
https://github.com/advisories/GHSA-jqf7-cwv7-8v28