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bdu:2026-08084

BIT-tomcat-2026-41284 — Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling

Affected: Bitnami: tomcat

Allocation of Resources Without Limits or Throttling vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0 through 11.0.21, from 10.1.0 through 10.1.54, from 9.0.0 through 9.0.117. Older, unsupported versions may also be affected.

Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.

certfr-2026-avi-0577 — De multiples vulnérabilités ont été découvertes dans Apache Tomcat. Elles permettent à un attaquant de provoquer une at…

certfr-2026-avi-0577

Withdrawn: CLEANSTART-2026-GY63167 — Security fixes in thingsboard 4.3.1.3-r1

Withdrawn by the publisher.

Affected: CleanStart: thingsboard

Package thingsboard version 4.3.1.3-r1 fixes 82 vulnerabilities: ghsa-r29c-68gh-xp6x, ghsa-h6fc-48rj-7qqh, ghsa-5m62-pw8w-7w9f, ghsa-gx5v-xp9w-j4cg, ghsa-fv25-8xcx-gqjc...

EUVD-2026-318098

fkie_cve-2026-41284

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-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117. Older, unsupported versions may also be affected.

Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.

GHSA-gx5v-xp9w-j4cg — Apache Tomcat: Unbounded read in WebDAV LOCK and PROPFIND handling

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

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: No limit was enforced on the request body for WebDAV LOCK or PROPFIND requests which were available to unauthenticated users.

Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later

Credit: This issue was identified by Dariusz Gońda

NCSC-2026-0325 — Kwetsbaarheden verholpen in Atlassian producten

NCSC-2026-0325

OESA-2026-2296 — tomcat security update

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

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-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117. Older, unsupported versions may also be affected.

Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.(CVE-2026-41284)

Improper Input Validation vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 10.0.0-M1 through 10.0.27. Older, end of support versions may also be affected.

Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.(CVE-2026-41293)

Exposure of HTTP Authentication Header to unexpected hosts during WebSocket authentication vulnerability in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.2 through 9.0.117, from 8.5.24 through 8.5.100, from 7.0.83 through 7.0.109.

Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118, which fix the issue.(CVE-2026-42498)

DEPRECATED: Authentication Bypass Issues vulnerability in digest…

openSUSE-SU-2026:10925-1 — tomcat-9.0.118-1.1 on GA media

tomcat-9.0.118-1.1 on GA media

RHSA-2026:39188 — Red Hat Security Advisory: Red Hat JBoss Web Server 7.0.0 security release

Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass tomcat: Apache Tomcat: Denial of Service due to uncontrolled resource allocation tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm tomcat: Apache Tomcat: Information disclosure via AJP secret timing discrepancy tomcat-coyote: tomcat: Improper Authorization allows security bypass tomcat: Apache Tomcat: Improper Authorization Allows Security Constraint Bypass

RLSA-2026:68651 — Moderate: tomcat9 security update

Affected: Rocky Linux:10: tomcat9

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. Tomcat is developed in an open and participatory environment and released under the Apache Software License version 2.0. Tomcat is intended to be a collaboration of the best-of-breed developers from around the world.

Security Fix(es):

* Apache Tomcat: Apache Tomcat: Improper Input Validation vulnerability due to incomplete fix (CVE-2026-32990)

* tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication (CVE-2026-43512)

* tomcat-coyote: Apache Tomcat: HTTP/2 request headers not validated (CVE-2026-41293)

* tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication. (CVE-2026-42498)

* tomcat-coyote: tomcat: Improper Authorization allows security bypass (CVE-2026-43515)

* tomcat-catalina: Apache Tomcat: Improper Handling of Case Sensitivity in LockOutRealm (CVE-2026-43513)

* tomcat: Apache Tomcat: Security constraint bypass via improper URL encoding in rewrite valve (CVE-2026-59083)

* tomcat: Apache Tomcat: Insufficient documentation for EncryptInterceptor may lead to insecure configurations (CVE-2026-59084)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information…

SUSE-SU-2026:22195-1 — Security update for tomcat

Security update for tomcat

UBUNTU-CVE-2026-41284

Affected: Ubuntu:Pro:18.04:LTS: tomcat9, Ubuntu:Pro:20.04:LTS: tomcat9, Ubuntu:Pro:22.04:LTS: tomcat9, Ubuntu:Pro:24.04:LTS: tomcat10, Ubuntu:Pro:24.04:LTS: tomcat9, Ubuntu:25.10: tomcat10, Ubuntu:25.10: tomcat11, Ubuntu:25.10: tomcat9, Ubuntu:26.04:LTS: tomcat10, Ubuntu:26.04:LTS: tomcat9 and 1 more

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-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117. Older, unsupported versions may also be affected. Users are recommended to upgrade to version [FIXED_VERSION], which fixes the issue.

WID-SEC-W-2026-1514 — Apache Tomcat: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Apache Tomcat ausnutzen, um Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, Daten zu manipulieren, einen Denial-of-Service-Zustand herbeizuführen oder andere, nicht spezifizierte bezeichnete Angriffe durchzuführen.