CVE-2026-55276 | Always-Incorrect Control Flow Implementation vulnerability i…

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.

Metadata

CVE ID: CVE-2026-55276
State: PUBLISHED
Assigner: apache
Reserved: 2026-06-16 17:40 UTC
Published: 2026-06-29 20:42 UTC
Last updated: 2026-06-29 22:24 UTC
Primary CWE: CWE-670
CWE-670 Always-Incorrect Control Flow Implementation
Vendor / Product: Apache Software Foundation / Apache Tomcat
Sources: cve.org · NVD

Severity & Metrics

No CVSS data available.

Affected products (1)

Vendor	Product	Platform	Versions
Apache Software Foundation	Apache Tomcat	—	11.0.0-M1 ≤ 11.0.22, 10.1.0-M1 ≤ 10.1.55, 9.0.0.M1 ≤ 9.0.118, 8.5.0 ≤ 8.5.100 …

Weakness (CWE)

CWE	Source	Description
CWE-670	cna	CWE-670 Always-Incorrect Control Flow Implementation

References (1)

https://lists.apache.org/thread/jy09xjlzn6r2qwvqoph8vcmf959yq68v