CVE-2026-34486: Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor

[Mark Thomas <markt () apache org>]

Severity: important

Affected versions:

- Apache Tomcat 11.0.20
- Apache Tomcat 10.1.53
- Apache Tomcat 9.0.116

Description:

Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due 
to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.

This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.

Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, 
which fix the issue.

Credit:

Bartlomiej Dmitruk at striga.ai (finder)

References:

https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-34486