Apache Tomcat: Padding Oracle vulnerability in EncryptInterceptor
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.
02 / AFFECTED SOFTWARE
Affected packages
191 explicit affected versions
191 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration. This issue affects Apache Tomcat: from 11.0.0 through 11.0.18, from 10.0.0 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.
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.
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.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2026/04/09/24
- https://access.redhat.com/errata/RHSA-2026:20405
- https://access.redhat.com/errata/RHSA-2026:20406
- https://access.redhat.com/errata/RHSA-2026:36787
- https://access.redhat.com/errata/RHSA-2026:36788
- https://access.redhat.com/errata/RHSA-2026:36789
- https://access.redhat.com/errata/RHSA-2026:36790
- https://access.redhat.com/errata/RHSA-2026:36876
- https://access.redhat.com/errata/RHSA-2026:36877
- https://access.redhat.com/errata/RHSA-2026:36878
- https://access.redhat.com/errata/RHSA-2026:36879
- https://access.redhat.com/errata/RHSA-2026:37136
- https://access.redhat.com/errata/RHSA-2026:37137
- https://access.redhat.com/errata/RHSA-2026:38505
- https://access.redhat.com/errata/RHSA-2026:39188
- https://access.redhat.com/errata/RHSA-2026:39189
- https://access.redhat.com/security/cve/CVE-2026-29146
- https://bugzilla.redhat.com/show_bug.cgi?id=2457020
- https://lists.apache.org/thread/lzt04z2pb3dc5tk85obn80xygw3z1p0w
- https://nvd.nist.gov/vuln/detail/CVE-2026-29146
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-29146.json
- https://github.com/apache/tomcat
- https://github.com/apache/tomcat/commit/0112ed22abfccc3d54e44d91eb08804d0886acd1
- https://github.com/apache/tomcat/commit/607ebc0fa522bd9e8c05517baa2d179bbd1e659c
- https://github.com/apache/tomcat/commit/6d955cceca841f2eabf2d6c46b59a8c7e1cd6eaa
- https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.53
- https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.20
- https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.116
- https://www.herodevs.com/vulnerability-directory/cve-2026-29146
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29146.json