CVE-2026-53404

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from...

CVE-2026-53404

Apache Tomcat vulnerability CVE-2026-53404 describes an Always-Incorrect Control Flow in the RewriteValve. If the first condition in an OR chain matches, subsequent non-OR conditions may be skipped, altering rule evaluation. Affected versions include Tomcat 11.0.0-M1–11.0.22, 10.1.0-M1–10.1.55, 9...

CVE-2026-53404 Apache Tomcat: Bad ornext processing in RewriteValve

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from...

CVE-2026-53404 Apache Tomcat: Bad ornext processing in RewriteValve

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from...

CVE-2026-50229

CVE-2026-50229 describes an XSS flaw in the Apache Tomcat “number guess” example. Affected versions include Tomcat 11.0.0-M1–11.0.22, 10.1.0-M1–10.1.55, 9.0.0.M1–9.0.118, 8.5.0–8.5.100, and 7.0.0–7.0.109. The root cause is improper neutralization of script-related HTML tags in that example web pa...

CVE-2026-50229

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 Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, fro...

CVE-2026-50229

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 Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, fro...

CVE-2026-50229 Apache Tomcat: XSS in number guess example

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 Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, fro...

CVE-2026-50229 Apache Tomcat: XSS in number guess example

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 Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, fro...

Security Bulletin: Multiple Vulnerabilities in IBM DevOps Build.

Summary Multiple vulnerabilities were addressed in IBM DevOps Build 7.1.0.4. Vulnerability Details CVEID:CVE-2026-41284 DESCRIPTION: Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M...

SUSE-SU-2026:2675-1 Security update for tomcat

This update for tomcat fixes the following issues Update to Tomcat 9.0.118: - CVE-2026-41284: Unbounded read in WebDAV LOCK and PROPFIND handling bsc1265162. - CVE-2026-41293: HTTP/2 request headers not validated bsc1265163. - CVE-2026-42498: WebSocket authentication header exposure bsc1265165. -...

tomcat: Apache Tomcat: Misleading security logs due to incorrect control flow

A flaw was found in Apache Tomcat. Due to an always-incorrect control flow implementation, special roles and empty authorization constraints were not accurately included when the effective web.xml configuration was logged. This could lead to a security oversight where administrators might...

tomcat: Apache Tomcat: Improper Authorization Allows Security Constraint Bypass

A flaw was found in Apache Tomcat where access control rules for the default servlet are improperly handled. An attacker can exploit this issue to bypass specific HTTP method restrictions, potentially gaining unauthorized access to protected application resources...

tomcat: Apache Tomcat: Replay attack via improper authentication in EncryptionInterceptor

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...

tomcat: Apache Tomcat: Error condition not handled when configuring CRLs

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...

Apache Tomcat: Apache Tomcat: Incorrect control flow in rewrite valve allows unexpected rule processing

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...

tomcat: Apache Tomcat: Cross-Site Scripting vulnerability in number guess example

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...

Critical: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: tomcat11: tomcat11-11.0.23-0.1.hum1 noarch tomcat11-admin-webapps-11.0.23-0.1.hum1 noarch tomcat11-common-11.0.23-0.1.hum1 noarch tomcat11-docs-webapp-11.0.23-0.1.hum1 noarch...

PT-2026-53745

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.22 Apache Tomcat versions 10.1.0-M1 through 10.1.55 Apache Tomcat versions 9.0.0.M1 through 9.0.118 Apache Tomcat versions 8.5.0 through 8.5.100 Apache Tomcat versions 7.0.0 through 7.0.109...

PT-2026-53740

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.22 Apache Tomcat versions 10.1.0-M1 through 10.1.55 Apache Tomcat versions 9.0.0.M1 through 9.0.118 Apache Tomcat versions 8.5.0 through 8.5.100 Apache Tomcat versions 7.0.0 through 7.0.109...