{"id":"CVE-2026-29146","summary":"Apache Tomcat: EncryptInterceptor vulnerable to padding oracle attack by default","details":"Padding Oracle vulnerability in Apache Tomcat's EncryptInterceptor with default configuration.\n\nThis 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.\n\nUsers are recommended to upgrade to version 11.0.19, 10.1.53 and 9.0.116, which fixes the issue.","aliases":["BIT-tomcat-2026-29146","GHSA-h468-7pvh-8vr8"],"modified":"2026-07-10T11:59:29.011517040Z","published":"2026-04-09T19:21:57.289Z","related":["ALSA-2026:36879","ALSA-2026:37137","CGA-rgjm-cq2x-q932","SUSE-SU-2026:1558-1","SUSE-SU-2026:1572-1","SUSE-SU-2026:1603-1","SUSE-SU-2026:1604-1","SUSE-SU-2026:21366-1","SUSE-SU-2026:21378-1","SUSE-SU-2026:21379-1","openSUSE-SU-2026:10547-1","openSUSE-SU-2026:10548-1","openSUSE-SU-2026:10549-1","openSUSE-SU-2026:20595-1","openSUSE-SU-2026:20611-1","openSUSE-SU-2026:20612-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29146.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"11.0.0-M1"},{"last_affected":"11.0.18"},{"introduced":"10.0.0-M1"},{"last_affected":"10.1.52"},{"introduced":"9.0.13"},{"last_affected":"9.0.115"},{"introduced":"8.5.38"},{"last_affected":"8.5.100"},{"introduced":"7.0.100"},{"last_affected":"7.0.109"}]},{"source":"DESCRIPTION","extracted_events":[{"introduced":"11.0.0-M1"},{"fixed":"11.0.18"},{"introduced":"10.0.0-M1"},{"fixed":"10.1.52"},{"introduced":"9.0.13"},{"fixed":"9..115"},{"introduced":"8.5.38"},{"fixed":"8.5.100"},{"introduced":"7.0.100"},{"fixed":"7.0.109"}]}],"cna_assigner":"apache"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/04/09/24"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-29146.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:20405"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:20406"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36787"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36788"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36789"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36790"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36876"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36877"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36878"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36879"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:37136"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:37137"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-29146"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/29xxx/CVE-2026-29146.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/lzt04z2pb3dc5tk85obn80xygw3z1p0w"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29146"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2457020"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"a1ea109bf367ad32361396348845ffd6e524d115"},{"introduced":"4b0b2f6b828d12d150b4de0b64fd6c3849dfcefb"},{"introduced":"706a395be7c34414d04739de69bde986661976ec"},{"fixed":"d2c7dce5e94d6d1d81ad7d66402140b1c1962a53"},{"introduced":"4c8b650437e2464c1c31c6598a263b3805b7a81f"},{"fixed":"f3d5786aa1bd6c2a78d666afc89b2a4570f66593"},{"introduced":"56e547d387ab49f688c93fe9ca082b1b5d94deed"},{"fixed":"1c65de6f27a3bac481514e56e3637785b65a4f2c"}],"database_specific":{"source":"CPE_RANGE","extracted_events":[{"introduced":"7.0.100"},{"last_affected":"7.0.109"},{"introduced":"8.5.38"},{"last_affected":"8.5.100"},{"introduced":"9.0.13"},{"fixed":"9.0.116"},{"introduced":"10.0.0"},{"fixed":"10.1.53"},{"introduced":"11.0.0"},{"fixed":"11.0.20"}],"cpe":"cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-29146.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}