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NVD HIGH: CVE-2026-15554 — the Undertow AJP listener honours forged ssl_cert and is_ssl AJP attributes with...

·Source: NIST NVD

Updated:

Executive Summary

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.

Analysis

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. CVSS Score: 7.4. Published: 2026-08-11T09:17:12.400.

Indicators of Compromise (1)

CVE (1)
CVE-2026-15554
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Aug 11, 2026. Verified by: NIST.

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