Medium: tomcat

Issue Overview: 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...

SUSE-SU-2026:3112-1 Security update for tomcat10

This update for tomcat10 fixes the following issues Update to Tomcat 10.1.56. Security issues fixed: - CVE-2026-50229: improper neutralization of script-related HTML tags in the number guess example bsc1269791. - CVE-2026-53404: always-incorrect control flow implementation in the rewrite valve...

SUSE CVE-2026-59083

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

CVE-2026-59083

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

DEBIAN-CVE-2026-59083

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

UBUNTU-CVE-2026-59083

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

CVE-2026-59083

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

CVE-2026-59083 Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

CVE-2026-59083

Apache Tomcat is affected by CVE-2026-59083 due to incorrect URL decoding in RewriteValve, enabling a possible security constraint bypass for certain configurations. Affected branches include 11.0.0-M1–11.0.23, 10.1.0-M1–10.1.56, 9.0.0.M1–9.0.119, and 8.5.0–8.5.100. Remediation is to upgrade to f...

CVE-2026-59083 Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

CVE-2026-59083

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

CVE-2026-59083

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

EUVD-2026-43638

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

CVE-2026-59083 Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass

Improper Handling of URL Encoding Hex Encoding vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0...

SUSE-SU-2026:22647-1 Security update for tomcat10

This update for tomcat10 fixes the following issues Update to Tomcat 10.1.56. Security issues fixed: - CVE-2026-50229: improper neutralization of script-related HTML tags in the number guess example bsc1269791. - CVE-2026-53404: always-incorrect control flow implementation in the rewrite valve...

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...

OESA-2026-2947 tomcat security update

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 Fixes: Improper Neutralization of...

OESA-2026-2949 tomcat security update

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 Fixes: Improper Neutralization of...

OESA-2026-2950 tomcat security update

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 Fixes: Improper Neutralization of...

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...