tomcat: Client certificate verification bypass due to virtual host mapping

A certificate validation flaw has been found in Apache Tomcat. omcat did not validate that the host name provided via the SNI extension was the same as the host name provided in the HTTP host header field. If Tomcat was configured with more than one virtual host and the TLS configuration for one ...

tomcat: Client certificate verification bypass due to virtual host mapping

A certificate validation flaw has been found in Apache Tomcat. omcat did not validate that the host name provided via the SNI extension was the same as the host name provided in the HTTP host header field. If Tomcat was configured with more than one virtual host and the TLS configuration for one ...

Astra Linux – Vulnerability in Tomcat9

CLIENTCERT authentication does not fail as expected in some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat versions from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, and from 9.0.92 through 9.0.116. Users are recommended to...

tomcat: Client certificate verification bypass due to virtual host mapping

A certificate validation flaw has been found in Apache Tomcat. omcat did not validate that the host name provided via the SNI extension was the same as the host name provided in the HTTP host header field. If Tomcat was configured with more than one virtual host and the TLS configuration for one ...

CVE-2026-32253: Improper Authentication

Sunshine is a self-hosted game stream host for Moonlight. In versions prior to 2026.516.143833, the client-certificate authentication can be bypassed because of how OpenSSL verification results are handled. In src/crypto.cpp, the custom verify callback treats X509VERRUNABLETOGETISSUERCERTLOCALLY,...

CVE-2026-41081

Improper Handling of TLS Client Authentication Failure Leading to Anonymous Principal Assignment in Apache Storm Versions Affected: up to 2.8.7 Description: When TLS transport is enabled in Apache Storm without requiring client certificate authentication the default configuration, the...

CVE-2026-41081 Apache Storm Client: Anonymous principal assigned on TLS client certificate verification failure

Improper Handling of TLS Client Authentication Failure Leading to Anonymous Principal Assignment in Apache Storm Versions Affected: up to 2.8.7 Description: When TLS transport is enabled in Apache Storm without requiring client certificate authentication the default configuration, the...

CLEANSTART-2026-IS05941 CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native

Multiple security vulnerabilities affect the thingsboard package. CLIENTCERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. See references for individual vulnerability details...

Understanding Student Experiences with TLS Client Authentication

Mutual TLS mTLS provides strong, certificate-based authentication for both clients and servers, yet its adoption for user-facing websites remains rare. This paper presents a longitudinal study of mTLS usability, tracking 46 senior and graduate computer science students who configured client...

PT-2026-32444

CLIENT CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to versio...

CVE-2026-34500

A flaw was found in Apache Tomcat where OCSP-based certificate validation may incorrectly soft-fail during CLIENTCERT authentication, even when soft-fail is disabled, under certain FFM-related execution paths. This can result in client certificates being accepted despite failed or unverifiable...

CVE-2026-34500

CLIENTCERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to...

CVE-2026-29145 Apache Tomcat, Apache Tomcat Native: OCSP checks sometimes soft-fail even when soft-fail is disabled

CLIENTCERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0.83 through 9.0.115; Apache Tomcat...

Apache Tomcat 安全漏洞

Apache Tomcat is a lightweight web application server developed by the Apache Foundation in the United States. It supports Servlet and JavaServer Page JSP technologies. Vulnerabilities exist in versions of Apache Tomcat 11.0.0-M14 to 11.0.20, 10.1.22 to 10.1.53, and 9.0.92 to 9.0.116. These...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication in processOCSPRequest, which is part of the the CLIENTCERT authentication process. In some "edge cases", an attacker can trigger a soft-fail of OCSP checks when soft-fail is disabled. Remediation Upgrade...

Important: tomcat9

Issue Overview: mproper Input Validation vulnerability. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0-M1 through 9.0.112. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through...

Security Bulletin: Security vulnerability in nginx affects IBM Robotic Process Automation for Cloud Pak

Summary A security vulnerability in nginx affects IBM Robotic Process Automation for Cloud Pak. Nginx is used by IBM Robotic Process Automation for Cloud Pak as part of its deployment. This bulletin identifies the fixes required to resolve the vulnerabilities. Vulnerability Details...

Insecure Default Initialization of Resource

Overview Affected versions of this package are vulnerable to Insecure Default Initialization of Resource in the SNI extraction when handling fragmented TLS ClientHello packets. An attacker can gain unauthorized access to services protected by mutual TLS by sending a fragmented ClientHello, causin...

SUSE CVE-2025-66614

Improper Input Validation vulnerability. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.14, from 10.1.0-M1 through 10.1.49, from 9.0.0-M1 through 9.0.112. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Older EOL...

Apache Tomcat 输入验证错误漏洞

Apache Tomcat is a lightweight web application server developed by the Apache Foundation in the United States. It supports Servlet and JavaServer Page JSP technologies. Vulnerabilities exist in versions of Apache Tomcat from 11.0.0-M1 to 11.0.14, from 10.1.0-M1 to 10.1.49, from 9.0.0-M1 to 9.0.11...