CVE-2026-29146

HIGH

Apache Tomcat: EncryptInterceptor vulnerable to padding oracle attack by default

Title source: cna
STIX 2.1

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.

References (2)

Scores

CVSS v3 7.5
EPSS 0.0010
EPSS Percentile 28.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-209 CWE-642
Status published
Products (10)
apache/tomcat 7.0.100 - 7.0.109
Apache Software Foundation/Apache Tomcat 10.0.0-M1 - 10.1.52
Apache Software Foundation/Apache Tomcat 11.0.0-M1 - 11.0.18
Apache Software Foundation/Apache Tomcat 7.0.100 - 7.0.109
Apache Software Foundation/Apache Tomcat 8.5.38 - 8.5.100
Apache Software Foundation/Apache Tomcat 9.0.13 - 9.0.115
org.apache.tomcat/tomcat 9.0.13 - 9.0.116Maven
org.apache.tomcat/tomcat-catalina 9.0.13 - 9.0.116Maven
org.apache.tomcat/tomcat-tribes 9.0.13 - 9.0.116Maven
org.apache.tomcat.embed/tomcat-embed-core 9.0.13 - 9.0.116Maven
Published Apr 09, 2026
Tracked Since Apr 10, 2026