DEBIAN-CVE-2026-15554

the Undertow AJP listener honours forged sslcert and isssl 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...

CVE-2026-15554

the Undertow AJP listener honours forged sslcert and isssl 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...

UBUNTU-CVE-2026-15554

the Undertow AJP listener honours forged sslcert and isssl 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...

CVE-2026-15554 Undertow-core: undertow: authentication bypass via ajp ssl_cert/is_ssl forgery

the Undertow AJP listener honours forged sslcert and isssl 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...

CVE-2026-15554

the Undertow AJP listener honours forged sslcert and isssl 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...

EUVD-2026-55981

the Undertow AJP listener honours forged sslcert and isssl 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...

CVE-2026-15554

Summary: CVE-2026-15554 affects the Undertow AJP listener, where forged ssl_cert and is_ssl AJP attributes can be accepted without shared-secret authentication. An unauthenticated attacker with direct TCP access to port 8009 can bypass CLIENT-CERT authentication by injecting a forged X.509 certif...

CVE-2026-15554

the Undertow AJP listener honours forged sslcert and isssl 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...

CVE-2026-15554 Undertow-core: undertow: authentication bypass via ajp ssl_cert/is_ssl forgery

the Undertow AJP listener honours forged sslcert and isssl 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...

CVE-2026-15554

the Undertow AJP listener honours forged sslcert and isssl 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...

CVE-2026-15554: Improper Certificate Validation

the Undertow AJP listener honours forged sslcert and isssl 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...

PT-2026-70088

Name of the Vulnerable Software and Affected Versions Undertow affected versions not specified Description The Undertow AJP listener accepts forged ssl cert and is ssl AJP attributes without requiring shared-secret authentication. This allows an unauthenticated attacker with direct TCP access to...

Amazon Linux 2023 : tomcat10, tomcat10-admin-webapps, tomcat10-el-5.0-api (ALAS2023-2026-1673)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1673 advisory. Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat via invalid chunk extension. This issue affects Apache Tomcat: from 11.0.0-M1...

golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm

A flaw was found in Go's crypto/x509 standard library package. Verifying a certificate chain that contains a certificate with an unknown public key algorithm will cause a Certificate.Verify to panic. This issue affects all crypto/tls clients and servers that set Config.ClientAuth to...

golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm

A flaw was found in Go's crypto/x509 standard library package. Verifying a certificate chain that contains a certificate with an unknown public key algorithm will cause a Certificate.Verify to panic. This issue affects all crypto/tls clients and servers that set Config.ClientAuth to...

golang: crypto/x509: Verify panics on certificates with an unknown public key algorithm

A flaw was found in Go's crypto/x509 standard library package. Verifying a certificate chain that contains a certificate with an unknown public key algorithm will cause a Certificate.Verify to panic. This issue affects all crypto/tls clients and servers that set Config.ClientAuth to...

SUSE: Security Advisory (SUSE-SU-2016:2449-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

How to collect data for ADC Authentication issues

To provide a comprehensive guide on how to properly collect data for issues with ADC when these issues are related to Authentication. Note that additional data may be needed for SAML, OAuth, client cert, device cert, and EPA...

CVE-2016-1000038

Authentication bypass due to client cert headers...

rhn-tools:1.0 bug fix and enhancement update

An update is available for osad, spacewalk-abrt, rhn-custom-info, rhncfg, spacewalk-koan, spacewalk-oscap, spacewalk-backend, rhn-virtualization, spacewalk-usix, rhnpush, spacewalk-client-cert, cobbler, spacewalk-remote-utils. This update affects Rocky Linux 8. A Common Vulnerability Scoring Syst...