What is GHSA-x9mr-8r63-5qv8?

GHSA-x9mr-8r63-5qv8 is a security advisory published by GitHub Security Advisories with Critical severity. Improper verification of cryptographic signature in Active Directory Federation Services (AD FS)...

Which CVE IDs does GHSA-x9mr-8r63-5qv8 cover?

GHSA-x9mr-8r63-5qv8 covers the following CVE IDs: CVE-2026-96252. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-x9mr-8r63-5qv8?

GHSA-x9mr-8r63-5qv8 has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-x9mr-8r63-5qv8CriticalCVSS 9.1

Improper verification of cryptographic signature in Active Directory Federation Services (AD FS)...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-96252 →

📋 Description

Improper verification of cryptographic signature in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-96252
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96252
https://github.com/advisories/GHSA-x9mr-8r63-5qv8