tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

AlmaLinux 9.6 [TuxCare] Security Update: pki-servlet-4.0-api / pki-servlet-engine Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1794384759)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1794384759 advisory. - Allocation of resources without limits or throttling vulnerability in Apache Tomcat allows an unauthenticated AJP request to pin a...

Rocky Linux 9.6 [TuxCare] Security Update: pki-servlet-4.0-api / pki-servlet-engine Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1794384759)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1794384759 advisory. - Allocation of resources without limits or throttling vulnerability in Apache Tomcat allows an unauthenticated AJP request to pin...

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

Atlassian Confluence 7.2.x < 9.2.26 / 9.3.x < 10.2.19 / 11.0.0 (CONFSERVER-104517)

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-104517 advisory. - Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g. CLIENT-CERT, SPNEGO that a user would be authenticat...

Atlassian Jira Service Management Data Center and Server < 10.3.25 / 10.4.x < 11.3.11 (JSDSERVER-16797)

The version of Atlassian Jira Service Management Data Center and Server Jira Service Desk running on the remote host is affected by a vulnerability as referenced in the JSDSERVER-16797 advisory. - Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances e.g...

BASM (Broken Authentication & Session Management) org.apache.tomcat:tomcat-catalina Dependency in Crowd Data Center

This High severity BASM Broken Authentication & Session Management vulnerability was introduced in version 7.2.0 of Crowd Data Center. This BASM Broken Authentication & Session Management vulnerability, with a CVSS Score of 8.1 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N...

CLSA-2026-1792400805 Fix CVE(s): CVE-2026-68569

SECURITY UPDATE: Authentication bypass in DataSourceRealm and JDBCRealm - debian/patches/CVE-2026-68569.patch: Fail authentication when the database connection or the user or role lookup fails, and require the user to exist in the database for CLIENT-CERT and SPNEGO authentication in...

BASM (Broken Authentication & Session Management) org.apache.tomcat:tomcat-catalina Dependency in Confluence Data Center

This High severity BASM Broken Authentication & Session Management vulnerability was introduced in versions 7.2.0, 7.3.1, 7.4.0, 7.5.0, 7.6.0, 7.7.2, 7.8.0, 7.9.0, 7.11.0, 7.12.0, 7.13.0, 7.14.0, 7.15.0, 7.16.0, 7.17.0, 7.18.0, 7.19.0, 7.20.0, 8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, 8.6.0, 8.7....

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure

A flaw was found in Apache Tomcat. This improper authentication vulnerability allows a remote attacker to be authenticated even if their user account does not exist in the DataSourceRealm, under specific circumstances such as CLIENT-CERT or SPNEGO authentication. This can lead to unauthorized...

Improper Authentication

org.apache.tomcat, tomcat-catalina is vulnerable to Improper Authentication. The vulnerability is due to improper authentication handling in certain authentication mechanisms, which allows an attacker to be authenticated even when the user does not exist in the configured DataSourceRealm...

BASM (Broken Authentication & Session Management) org.apache.tomcat:tomcat-catalina Dependency in Jira Software Data Center

This High severity BASM Broken Authentication & Session Management vulnerability was introduced in versions 9.12.1, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Software Data Center. This BASM Broken Authentication & Session Management...