CVE-2026-29146
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache Tomcat | 11.0.0-M1 <= 11.0.18 | affected |
| Apache Software Foundation | Apache Tomcat | 10.0.0-M1 <= 10.1.52 | affected |
| Apache Software Foundation | Apache Tomcat | 9.0.13 <= 9.0.115 | affected |
| Apache Software Foundation | Apache Tomcat | 8.5.38 <= 8.5.100 | affected |
| Apache Software Foundation | Apache Tomcat | 7.0.100 <= 7.0.109 | affected |
Weaknesses
- Padding Oracle
ADP Enrichment
CVE Program Container
Additional References
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
Apache Tomcat: Apache Tomcat: Information disclosure via Padding Oracle vulnerability in EncryptInterceptor
Additional References
- https://access.redhat.com/security/cve/CVE-2026-29146
- https://bugzilla.redhat.com/show_bug.cgi?id=2457020
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-29146.json
- https://access.redhat.com/errata/RHSA-2026:20405
- https://access.redhat.com/errata/RHSA-2026:20406
References
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