High · published April 10, 2026
Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.0.0-M1 through 10.1.52, from 9.0.13 through 9..115, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.
Users are recommended to upgrade to version 11.0.19, 10.1.53 and 9.0.116, which fixes the issue.
| Product | Versions | Fixed in |
|---|---|---|
| apache/tomcat | ≥ 7.0.100, ≤ 7.0.109 | — |
| apache/tomcat | ≥ 8.5.38, ≤ 8.5.100 | — |
| apache/tomcat | ≥ 9.0.13, < 9.0.116 | 9.0.116 |
| apache/tomcat | ≥ 10.0.0, < 10.1.53 | 10.1.53 |
| apache/tomcat | ≥ 11.0.0, < 11.0.20 | 11.0.20 |