What is GHSA-4wrp-2fvc-9x8r?

GHSA-4wrp-2fvc-9x8r is a security advisory published by GitHub Security Advisories with Medium severity. Missing Extended Key Usage (EKU) check in OCSP Client allows certificate revocation bypass

Which CVE IDs does GHSA-4wrp-2fvc-9x8r cover?

GHSA-4wrp-2fvc-9x8r covers the following CVE IDs: CVE-2026-93578. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4wrp-2fvc-9x8r?

GHSA-4wrp-2fvc-9x8r has a CVSS v3 base score of 5.9, published by GitHub Security Advisories.

GHSA-4wrp-2fvc-9x8rMediumCVSS 5.9

Missing Extended Key Usage (EKU) check in OCSP Client allows certificate revocation bypass

Vendor

GitHub Security Advisories

Published

September 18, 2026

Last Modified

September 18, 2026

🔗 CVE IDs covered (1)

CVE-2026-93578 →

📋 Description

Missing Extended Key Usage (EKU) check in OCSP Client allows certificate revocation bypass

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-93578
https://access.redhat.com/security/cve/CVE-2026-93578
https://bugzilla.redhat.com/show_bug.cgi?id=2536969
https://github.com/advisories/GHSA-4wrp-2fvc-9x8r