What is GHSA-f478-cwfc-jqh3?

GHSA-f478-cwfc-jqh3 is a security advisory published by GitHub Security Advisories with High severity. the Undertow AJP listener honours forged ssl_cert and is_ssl AJP attributes without requiring any...

Which CVE IDs does GHSA-f478-cwfc-jqh3 cover?

GHSA-f478-cwfc-jqh3 covers the following CVE IDs: CVE-2026-15554. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f478-cwfc-jqh3?

GHSA-f478-cwfc-jqh3 has a CVSS v3 base score of 7.4, published by GitHub Security Advisories.

GHSA-f478-cwfc-jqh3HighCVSS 7.4

the Undertow AJP listener honours forged ssl_cert and is_ssl AJP attributes without requiring any...

Vendor

GitHub Security Advisories

Published

August 11, 2026

Last Modified

August 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-15554 →

📋 Description

the Undertow AJP listener honours forged ssl_cert and is_ssl AJP attributes without requiring any shared-secret authentication. This enables an unauthenticated attacker with direct TCP access to port 8009 to bypass CLIENT-CERT authentication by injecting a forged X.509 certificate via the AJP protocol.

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-15554
https://access.redhat.com/security/cve/CVE-2026-15554
https://bugzilla.redhat.com/show_bug.cgi?id=2480601
https://access.redhat.com/errata/RHSA-2026:53644
https://access.redhat.com/errata/RHSA-2026:53806
https://github.com/advisories/GHSA-f478-cwfc-jqh3