DEBIAN-CVE-2026-55956

Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. 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-2026-55956

Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from...

UBUNTU-CVE-2026-55956

Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. 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-2026-55956

Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. 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-2026-55956 Apache Tomcat: Security constraints for default servlet ignored method

Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint. 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-2026-55956

CVE-2026-55956 is an improper authorization vulnerability in Apache Tomcat. The issue causes the security constraints configured for the default servlet to ignore certain methods or method omissions, potentially bypassing intended access controls. Affected product ranges include Tomcat versions 1...

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...

Astra Linux – Vulnerability in Tomcat9

Improper handling of the case sensitivity vulnerability in Apache Tomcat’s GCI servlet allows bypassing security constraints that apply to the pathInfo component of a URI mapped to the CGI servlet. This issue affects Apache Tomcat versions from 11.0.0-M1 through 11.0.6, from 10.1.0-M1 through...

SUSE-SU-2026:2377-1 Security update for tomcat10

This update for tomcat10 fixes the following issues Update to Tomcat 10.1.55: - 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....

Security update for tomcat11

This update for tomcat11 fixes the following issues Update to Tomcat 11.0.22: 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...

Astra Linux – Vulnerability in Tomcat9

Apache Tomcat has a Relative Path Traversal vulnerability. The fix for bug 60013 introduced a regression where the rewritten URL was normalized before being decoded. This created the possibility that, for rewrite rules that modify query parameters into the URL, an attacker could manipulate the...

MGASA-2026-0139 Updated tomcat packages fix security vulnerability

Unbounded read in WebDAV LOCK and PROPFIND handling. CVE-2026-41284 HTTP/2 request headers not validated. CVE-2026-41293 WebSocket authentication header exposure. CVE-2026-42498 Digest authenticator will authenticate any unknown user. CVE-2026-43512 LockOutRealm treats user names as case-sensitiv...

GHSA-5M62-PW8W-7W9F Apache Tomcat - Security constraints not correctly applied

Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: When multiple security constraints defined an HTTP method constraint for the same extension pattern, only the...

Improper Authorization

Overview tomcat:catalina is a library that contains Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Improper Authorization in the processing of security constraints when multiple method constraints define an HTTP method for the...

Improper Authorization

Overview org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Improper Authorization in the processing of security constraints when multiple method constraints define an HTTP method for the same...

Improper Authorization

Overview org.apache.tomcat:catalina is a Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Improper Authorization in the processing of security constraints when multiple method constraints define an HTTP method for the same extension. An...

Fixed in Apache Tomcat 10.1.55

Moderate: Security constraints not correctly applied CVE-2026-43515 When multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. This was fixed with commit c6213173. This issue was reported to the Tomcat securit...

Fixed in Apache Tomcat 9.0.118

Moderate: Security constraints not correctly applied CVE-2026-43515 When multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. This was fixed with commit db919ff9. This issue was reported to the Tomcat securit...

Fixed in Apache Tomcat 11.0.22

Moderate: Security constraints not correctly applied CVE-2026-43515 When multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. This was fixed with commits 276087d9 and 06597486. This issue was reported to the...

tomcat: security constraint bypass with HTTP/0.9

A flaw was found in Tomcat. An improper input validation vulnerability allows an attacker to bypass security constraints. Specifically, if a security constraint is configured to permit HEAD requests to a URI but deny GET requests, a malformed or specification invalid HEAD request using the HTTP/0...