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...

CVE-2026-55956

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. Mitigation Review your...

BIT-TOMCAT-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 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.0...

SUSE 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...

Improper Authorization

Overview org.apache.tomcat:tomcat is an implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. Affected versions of this package are vulnerable to Improper Authorization due to the improper enforcement of security constraints in the default...

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 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

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...

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: 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...

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...

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...

SUSE-SU-2026:22197-1 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....

SUSE-SU-2026:22195-1 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. -...

SUSE-SU-2026:22196-1 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....

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...