CVE-2026-55956 Apache Tomcat: Security constraints for default servlet ignored method

Tillverkarens beskrivning (engelska)

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 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

Referensdata

Tillverkare

Apache Software Foundation

Berörda produkter

• Apache Tomcat

CVSS 3.1

6.5 (MEDIUM)

Vektor

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Typ av svaghet

CWE-285: Improper Authorization

Publicerad

29 juni 2026

Officiella källor

• CVE.org
• NVD
• Tillverkarens advisory

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