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CVE-2026-55276

nvd nist
Published: Jun 29, 2026Modified: Jul 2, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploitability: 3.9 / Impact: 5.2
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (3)

Products: Apache: Tomcat
Apache
1 product
Tomcat
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Apache
Tomcat
Before 9.0.119
Tomcat
From 10.1.0 to 10.1.56
Tomcat
From 11.0.0 to 11.0.23

Related CWEs

CWE-670
Always-Incorrect Control Flow Implementation
The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated.

References (2)

Source: security@apache.org
Vendor AdvisoryMailing List
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.