CVEvulnerability
CVE-2026-55955
6.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-29
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-287
Description
Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.
Users are recommended to upgrade to version 11.0.23, 10.1.56, 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-287 Improper Authentication weakness
References
- https://lists.apache.org/thread/g4p5sf45p3f9r011pwqs9r54yd64s106 Mailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/06/29/24 Third Party Advisory