Security Bulletin: Vulnerability in Apache Tomcat affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.

Summary Potential vulnerability in Apache Tomcat has been identified that affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge - Assistant Builder Component. The vulnerability have been addressed. Refer to details for additional information...

CVE-2025-55668

CVE-2025-55668 Apache Tomcat - Session fixation via rewrite valve...

CVE-2025-55752

🚨🚨 CVE-2025-55752 — Apache Tomcat: Directory-protection bypass via Rewrite Valve → PUT-based RCE🚨🚨 Summary CVE-2025-55752 is a security regression in Apache Tomcat introduced while fixing bug 60013. When the Rewrite Valve is used, Tomcat applies path normalization before URL decoding. This...

DoS (Denial of Service) org.apache.tomcat.embed:tomcat-embed-core Dependency in Bitbucket Data Center

This High severity DoS Denial of Service vulnerability was introduced in versions 9.4.0 and 10.2.0 of Bitbucket Data Center. This DoS Denial of Service vulnerability, with a CVSS Score of 7.3 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L allows an unauthenticated attacker to...

Astra Linux – vulnerability in Tomcat9

Session fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: versions 11.0.0-M1 through 11.0.7, 10.1.0-M1 through 10.1.41, and 9.0.0.M1 through 9.0.105. Older, end-of-life versions may also be affected. Users are advised to upgrade to version 11.0.8, 10.1.4...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: tomcat (UTSA-2026-130098)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130098 advisory. Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41,...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: tomcat (UTSA-2026-130145)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130145 advisory. Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue...

tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve

A flaw was found in Apache Tomcat. This vulnerability, located in the rewrite valve, is due to improper handling of URL encoding hex encoding. A remote attacker could exploit this to bypass security constraints in certain configurations, potentially gaining unauthorized access or performing actio...

tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve

A flaw was found in Apache Tomcat. This vulnerability, located in the rewrite valve, is due to improper handling of URL encoding hex encoding. A remote attacker could exploit this to bypass security constraints in certain configurations, potentially gaining unauthorized access or performing actio...

AlmaLinux 9.2 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1780997466)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1780997466 advisory. - Session Fixation vulnerability in Apache Tomcat via rewrite valve. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7...

Rocky Linux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1785497476)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1785497476 advisory. - Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat via invalid chunk...

AlmaLinux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.6:CLSA-2026:1784625369)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784625369 advisory. - Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some...

AlmaLinux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1785497476)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1785497476 advisory. - Inconsistent Interpretation of HTTP Requests 'HTTP Request/Response Smuggling' vulnerability in Apache Tomcat via invalid chunk...

Rocky Linux 9.6 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc (ALMALINUX9.6:CLSA-2026:1784625369)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784625369 advisory. - Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some...

Rocky Linux 10.1 [CIQ] Security Update: tomcat9 / tomcat9-admin-webapps / tomcat9-docs-webapp / etc Multiple Vulnerabilities (crlsa-2025_23052)

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523052 advisory. tomcat: Apache Tomcat: Bypass of rules in Rewrite Valve CVE-2025-31651 tomcat: org.apache.tomcat/tomcat-catalina: Apache Tomcat: Directory traversal vi...

Rocky Linux 10.1 [CIQ] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (crlsa-2025_23050)

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523050 advisory. tomcat: Apache Tomcat: Bypass of rules in Rewrite Valve CVE-2025-31651 tomcat: org.apache.tomcat/tomcat-catalina: Apache Tomcat: Denial of service...

Rocky Linux 8 [CIQ] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (crlsa-2025_23048)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523048 advisory. tomcat: Apache Tomcat: Bypass of rules in Rewrite Valve CVE-2025-31651 tomcat: org.apache.tomcat/tomcat-catalina: Apache Tomcat: Directory traversal via...

Rocky Linux 9 [CIQ] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (crlsa-2025_23049)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523049 advisory. tomcat: Apache Tomcat: Bypass of rules in Rewrite Valve CVE-2025-31651 tomcat: org.apache.tomcat/tomcat-catalina: Apache Tomcat: Directory traversal via...

AlmaLinux 9.2 [TuxCare] Security Update: tomcat / tomcat-admin-webapps / tomcat-docs-webapp / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1784297753)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1784297753 advisory. - Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any...

Security Bulletin: Vulnerabilities in Apache Tomcat Server library (CVE-2026-59083, CVE-2026-55956) affect Power HMC.

Summary The Apache Tomcat Server library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2026-59083 DESCRIPTION: Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security...