CVE-2026-29146: Apache Tomcat: EncryptInterceptor vulnerable to padding oracle attack by default
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.
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Tracked companies
Mapped from the CVE’s affected-product data, NVD CPE matches, vendor advisories or package feeds. A mapping means the vendor’s software is named, not that its hosted service was exposed.
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Apache Software Foundation: Apache TomcatRed Hat: Red Hat Enterprise Linux 10Red Hat: Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat: Red Hat Enterprise Linux 6Red Hat: Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat: Red Hat Enterprise Linux 8Red Hat: Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRed Hat: Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRed Hat: Red Hat Enterprise Linux 9Red Hat: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRed Hat: Red Hat Enterprise Linux 9.4 Update Services for SAP SolutionsRed Hat: Red Hat Enterprise Linux 9.6 Extended Update SupportRed Hat: Red Hat JBoss Web Server 5Red Hat: Red Hat JBoss Web Server 6.2.3Red Hat: Red Hat JBoss Web Server 6.2 on RHEL 10Red Hat: Red Hat JBoss Web Server 6.2 on RHEL 8Red Hat: Red Hat JBoss Web Server 6.2 on RHEL 9Red Hat: Red Hat JBoss Web Server 7.0.0Red Hat: Red Hat JBoss Web Server 7.0 on RHEL 10Red Hat: Red Hat JBoss Web Server 7.0 on RHEL 8Red Hat: Red Hat JBoss Web Server 7.0 on RHEL 9
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- lists.apache.org/thread/lzt04z2pb3dc5tk85obn80xygw3z1p0w (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)