CVE-2026-55276

Apache Tomcat: Logged effective web.xml is incomplete

Description

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles and empty authorisation constraints were not included when the effective web.xml was logged. 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. 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 fixes the issue.

Scores

Faiblesses (CWE)

• CWE-670

Références européennes

• ENISA EUVD · EUVD-2026-40230
• GCVE · GCVE-0-2026-55276

Avis du CERT-FR

• CERTFR-2026-AVI-1094 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
• CERTFR-2026-AVI-0817 — Multiples vulnérabilités dans Apache Tomcat · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

• cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* < 9.0.119
• cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 10.1.0 < 10.1.56
• cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 11.0.0 < 11.0.23

Produits affectés

Références

• https://lists.apache.org/thread/jy09xjlzn6r2qwvqoph8vcmf959yq68v
• http://www.openwall.com/lists/oss-security/2026/06/29/23

Sources