CVE-2026-55955
Apache Tomcat: EncryptInterceptor not protected against replay attacks
CVSS Score
6.5
EPSS Score
0.1%
EPSS Percentile
4th
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.
| CWE | CWE-287 |
| Vendor | apache software foundation |
| Product | apache tomcat |
| Published | Jun 29, 2026 |
| Last Updated | Jun 30, 2026 |
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Affected Versions
Apache Software Foundation / Apache Tomcat
11.0.0-M1 ≤ 11.0.22 10.1.0-M1 ≤ 10.1.55 9.0.13 ≤ 9.0.118 8.5.38 ≤ 8.5.100 7.0.100 ≤ 7.0.109