CVEvulnerability
CVE-2026-55276
9.1 CRITICAL
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-29
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-670
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 configurations
• apache tomcat (< 9.0.119)
• apache tomcat (>= 10.1.0 < 10.1.56)
• apache tomcat (>= 11.0.0 < 11.0.23)
Related
Weakness · CWE (1)
- CWE-670 Always-Incorrect Control Flow Implementation weakness
References
- https://lists.apache.org/thread/jy09xjlzn6r2qwvqoph8vcmf959yq68v Vendor Advisory, Mailing List
- http://www.openwall.com/lists/oss-security/2026/06/29/23 Third Party Advisory