CVE-2026-55955
Apache Tomcat: EncryptInterceptor not protected against replay attacks
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.
INFO
Published Date :
June 29, 2026, 8:44 p.m.
Last Modified :
June 29, 2026, 8:44 p.m.
Remotely Exploit :
No
Source :
apache
Solution
- Upgrade Apache Tomcat to version 11.0.23 or later.
- Upgrade Apache Tomcat to version 10.1.56 or later.
- Upgrade Apache Tomcat to version 9.0.119 or later.
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