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BIT-tomcat-2026-68525 — Apache Tomcat: Redirect after FORM auth may bypass method specific constraints

Affected: Bitnami: tomcat

Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET.

This issue affects Apache Tomcat: from 11.0.0 through 11.0.24, from 10.1.0 through 10.1.57, from 9.0.0 through 9.0.120.

The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.

certfr-2026-avi-1083 — De multiples vulnérabilités ont été découvertes dans Apache Tomcat. Elles permettent à un attaquant de provoquer un dén…

certfr-2026-avi-1083

fkie_cve-2026-68525

Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.

The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.

GHSA-h3x4-894j-xpx5 — Apache Tomcat's FORM authentication process has an Incorrect Authorization vulnerability

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

Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.

The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.

OESA-2026-3592 — tomcat security update

Affected: openEuler:24.03-LTS-SP4: tomcat, openEuler:20.03-LTS-SP4: tomcat, openEuler:22.03-LTS-SP4: tomcat, openEuler:24.03-LTS-SP1: tomcat, openEuler:24.03-LTS-SP3: 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):

Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path.(CVE-2026-65182)

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat when creating unix domain sockets allows an unauthorised local user to access the unix domain socket.(CVE-2026-65183)

Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990. This issue affects Apache Tomcat: from 11.0.20 through 11.0.24, from 10.1.53 through 10.1.57, from 9.0.115 through 9.0.120. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.(CVE-2026-65637)

A vulnerability classified as critical has been found in Apache Tomcat up to 7.0.109/8.5.100/9.0.120/10.1.57/11.0.24 (Application Server Software). Affected is an unknown part of the component DIGEST Authenticator. Upgrading to version 9.0.121, 10.1.58 or 11.0.25 eliminates this vulnerability.(CVE-2026-65905)

Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite processing to restart at the sec…

openSUSE-SU-2026:11759-1 — tomcat-9.0.121-1.1 on GA media

tomcat-9.0.121-1.1 on GA media

RHSA-2026:56039 — Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

tomcat: Apache Tomcat: Security constraint bypass due to improper access control tomcat: Apache Tomcat: Local information disclosure via Unix domain socket TOCTOU race condition tomcat: Apache Tomcat: Improper Input Validation allows HTTP/2 no-authority bypass of strict SNI validation tomcat: Apache Tomcat: Authentication bypass via limited replay attack in DIGEST authenticator tomcat: Apache Tomcat: Access control bypass due to off-by-one error in RewriteValve [N] flag processing tomcat: Apache Tomcat: Denial of Service via WebSocket chat example tomcat: Apache Tomcat: Improper Authorization allows bypass of declarative role constraints tomcat: Apache Tomcat: Unauthorized resource access via FORM authentication bypass tomcat: Apache Tomcat: Denial of Service via HTTP/2 allocation leak tomcat: Apache Tomcat: Authenticated WebSocket session persists after HTTP session termination

SUSE-SU-2026:23690-1 — Security update for tomcat10

Security update for tomcat10

UBUNTU-CVE-2026-68525

Affected: Ubuntu:Pro:14.04:LTS: tomcat6, Ubuntu:Pro:14.04:LTS: tomcat7, Ubuntu:Pro:16.04:LTS: tomcat8, Ubuntu:Pro:16.04:LTS: tomcat7, 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:24.04:LTS: tomcat9 and 3 more

Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a security constraint that limits user has access to a resource POST but not GET. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fixes the issue.