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bdu:2025-09900

BIT-tomcat-2025-55668 — Apache Tomcat: session fixation via rewrite valve

Affected: Bitnami: tomcat

Session Fixation vulnerability in Apache Tomcat via rewrite valve.

This issue affects Apache Tomcat: from 11.0.0 through 11.0.7, from 10.1.0 through 10.1.41, from 9.0.0 through 9.0.105. Older, EOL versions may also be affected.

Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

certfr-2025-avi-0746 — De multiples vulnérabilités ont été découvertes dans les produits IBM. Certaines d'entre elles permettent à un attaquan…

certfr-2025-avi-0746

cnvd-2025-19105

EUVD-2026-260034

fkie_cve-2025-55668

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, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected.

Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

GHSA-23hv-mwm6-g8jf — Apache Tomcat Session Fixation vulnerability

Affected: Maven: org.apache.tomcat:tomcat-catalina, Maven: org.apache.tomcat.embed:tomcat-embed-core

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, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected.

Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

OESA-2025-2216 — tomcat security update

Affected: openEuler:20.03-LTS-SP4: tomcat

Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies. The Java Servlet and JavaServer Pages specifications are developed by Sun under the Java Community Process. Security Fix(es):

Apache Tomcat is vulnerable to the made you reset attack due to an Improper Resource Shutdown or Release vulnerability. This issue affects Apache Tomcat versions from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43 and from 9.0.0.M1 through 9.0.107. Older, EOL versions may also be affected.(CVE-2025-48989)

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, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected.

Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.(CVE-2025-55668)

RHSA-2026:18536 — Red Hat Security Advisory: tomcat9 security update

tomcat: Improper Handling of Exceptional Conditions tomcat: Denial of Service in Tomcat tomcat: Apache Tomcat: Security constraint bypass for CGI scripts org.apache.tomcat/tomcat-catalina: tomcat: Apache Tomcat: session fixation via rewrite valve org.apache.tomcat/tomcat-juli: tomcat: Apache Tomcat: console manipulation tomcat: org.apache.tomcat/tomcat-catalina: Apache Tomcat: Denial of service tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration

RHSA-2026:68659 — Red Hat Security Advisory: tomcat security update

tomcat: Apache Tomcat: Authentication bypass when using Jakarta Authentication API tomcat: Apache Tomcat: DoS in examples web application tomcat: Apache Tomcat: Security constraint bypass for CGI scripts org.apache.tomcat/tomcat-catalina: tomcat: Apache Tomcat: session fixation via rewrite valve org.apache.tomcat/tomcat-juli: tomcat: Apache Tomcat: console manipulation tomcat: org.apache.tomcat/tomcat-catalina: Apache Tomcat: Denial of service tomcat: Client certificate verification bypass due to virtual host mapping tomcat: security constraint bypass with HTTP/0.9 Apache Tomcat: Apache Tomcat: HTTP Request/Response Smuggling via invalid chunk extension Apache Tomcat: Apache Tomcat: Open Redirect vulnerability via LoadBalancerDrainingValve Apache Tomcat: Apache Tomcat: Authentication bypass due to CLIENT_CERT soft fail misconfiguration Apache Tomcat: Apache Tomcat: Improper Input Validation vulnerability due to incomplete fix Apache Tomcat: Apache Tomcat: Information disclosure due to improper encoding in JsonAccessLogValve Apache Tomcat: Apache Tomcat: Information disclosure via sensitive data in log files tomcat: Apache Tomcat: Denial of Service due to uncontrolled resource allocation tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication tomcat-catalina: Ap…

RLSA-2026:68677 — Important: tomcat security update

Affected: Rocky Linux:8: tomcat

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies.

Security Fix(es):

* tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)

* tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)

* tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498)

* tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)

* tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)

* tomcat: Apache Tomcat: Authentication bypass via missing critical step in JNDIRealm GSSAPI configuration (CVE-2026-55957)

* tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)

* tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

UBUNTU-CVE-2025-55668

Affected: Ubuntu:Pro:16.04:LTS: tomcat8, Ubuntu:Pro:18.04:LTS: tomcat8, Ubuntu:Pro:18.04:LTS: tomcat9, Ubuntu:Pro:20.04:LTS: tomcat9, Ubuntu:Pro:22.04:LTS: tomcat9, Ubuntu:24.04:LTS: tomcat10, Ubuntu:25.10: tomcat10, Ubuntu:25.10: tomcat11, Ubuntu:26.04:LTS: tomcat10, Ubuntu:26.04:LTS: tomcat11

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, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

WID-SEC-W-2025-1826 — Apache Tomcat: Schwachstelle ermöglicht Session-Fixation

Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apache Tomcat ausnutzen, um eine Session-Fixation durchzuführen und so vertrauliche Informationen offenzulegen.