HomeDefault status
unaffected
11.0.0-M1 (semver)
affected
10.0.0-M1 (semver)
affected
9.0.13 (semver)
affected
8.5.38 (semver)
affected
7.0.100 (semver)
affected
Description
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.
Problem types
Padding Oracle
Product status
11.0.0-M1 (semver)
10.0.0-M1 (semver)
9.0.13 (semver)
8.5.38 (semver)
7.0.100 (semver)
Credits
Uri Katz and Avi Lumelsky (Oligo Security)
References
www.openwall.com/lists/oss-security/2026/04/09/24
lists.apache.org/thread/lzt04z2pb3dc5tk85obn80xygw3z1p0w