CVE-2026-53434

A flaw was found in Apache Tomcat. When configuring Certificate Revocation Lists CRLs for a FFM presumably a specific type of connector, the system fails to detect and act upon an error condition. This oversight could lead to unexpected behavior or a security bypass, as the intended security...

Security Bulletin: Maximo AI Service uses cryptography-46.0.6-cp311-abi3-manylinux_2_34_x86_64.whl and tomcat-embed-core-10.1.54.jar which are vulnerable to CVE-2026-39892, CVE-2026-41293, CVE-2026-43512, CVE-2026-43513 and CVE-2026-43515.

Summary Maximo AI Service uses cryptography-46.0.6-cp311-abi3-manylinux234x8664.whl and tomcat-embed-core-10.1.54.jar which are vulnerable to CVE-2026-39892, CVE-2026-41293, CVE-2026-43512, CVE-2026-43513 and CVE-2026-43515. This bulletin contains information regarding the vulnerability and its...

CVE-2026-55955

A flaw was found in Apache Tomcat. An improper authentication vulnerability in the EncryptionInterceptor component allows a remote attacker to perform a replay attack. This could lead to unauthorized access or manipulation of data within the cluster component. Mitigation This vulnerability only...

CVE-2026-53404

A flaw was found in Apache Tomcat's rewrite valve. This vulnerability involves an incorrect control flow implementation where, during the processing of rewrite rules, if the first condition in an OR chain matched, subsequent non-OR conditions were unexpectedly skipped. This can lead to unintended...

CVE-2026-50229

A flaw was found in Apache Tomcat. This vulnerability, known as Cross-Site Scripting XSS, allows a remote attacker to inject malicious scripts into the 'number guess example' web page. When other users view the compromised page, these scripts can execute in their web browsers. This could lead to...

Apache Tomcat 10.1.0.M1 < 10.1.39

The version of Tomcat installed on the remote host is prior to 10.1.39. It is, therefore, affected by a vulnerability as referenced in the fixedinapachetomcat10.1.39security-10 advisory. - Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to...

Linux Distros Unpatched Vulnerability : CVE-2026-55955

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component. This issue affects...

Linux Distros Unpatched Vulnerability : CVE-2026-53434

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. This issue affects Apache Tomcat: fr...

Apache Tomcat 10.1.0.M1 < 10.1.56 multiple vulnerabilities

The version of Tomcat installed on the remote host is prior to 10.1.56. It is, therefore, affected by multiple vulnerabilities as referenced in the fixedinapachetomcat10.1.56security-10 advisory. - Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special role...

Apache Tomcat 9.0.0.M1 < 9.0.102

The version of Tomcat installed on the remote host is prior to 9.0.102. It is, therefore, affected by a vulnerability as referenced in the fixedinapachetomcat9.0.102security-9 advisory. - Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to...

Linux Distros Unpatched Vulnerability : CVE-2026-55956

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission...

Linux Distros Unpatched Vulnerability : CVE-2026-50229

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Improper Neutralization of Script-Related HTML Tags in a Web Page Basic XSS vulnerability in the number guess example for Apache Tomcat. This issue affects Apac...

Security update for tomcat10 (important)

openSUSE security update: security update for tomcat10 ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21122-1 Rating: important References: bsc1265145 bsc1265162 bsc1265163 bsc1265165 bsc1265166 bsc1265167 bsc1265168 Cross-References: CVE-2026-4128...

Apache Tomcat 9.0.0.M1 < 9.0.119 multiple vulnerabilities

The version of Tomcat installed on the remote host is prior to 9.0.119. It is, therefore, affected by multiple vulnerabilities as referenced in the fixedinapachetomcat9.0.119security-9 advisory. - Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles...

Apache Tomcat 11.0.0.M1 < 11.0.5

The version of Tomcat installed on the remote host is prior to 11.0.5. It is, therefore, affected by a vulnerability as referenced in the fixedinapachetomcat11.0.5security-11 advisory. - Missing Critical Step in Authentication vulnerability in Apache Tomcat when the JNDIRealm was configured to...

Linux Distros Unpatched Vulnerability : CVE-2026-53404

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent...

Linux Distros Unpatched Vulnerability : CVE-2026-55276

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when...

Apache Tomcat 11.0.0.M1 < 11.0.23 multiple vulnerabilities

The version of Tomcat installed on the remote host is prior to 11.0.23. It is, therefore, affected by multiple vulnerabilities as referenced in the fixedinapachetomcat11.0.23security-11 advisory. - Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special role...

Cross-site Scripting (XSS)

Overview org.apache.tomcat:tomcat is an implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the number guess process. An attacker can execute arbitrary...

Always-Incorrect Control Flow Implementation

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Always-Incorrect Control Flow Implementation due to incorrect control flow in the RewriteValve process. An attacker can bypass intended rewrite rules by crafting...