CVE-2026-34486
Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor
- State
- Published
- Severity
- 7.5 High
- Published
- Apr 9, 2026
- Updated
- Sep 21, 2026
- Reserved
- Mar 30, 2026
Description
Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.
This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.
Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | redhat-SADP |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Apache TomcatApache Software Foundation |
|
References
- https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrlyvendor-advisory
- https://socradar.io/blog/snowlight-government-chinese-campaign/third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34486government-resource
- https://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcat
- https://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcat
- https://access.redhat.com/security/cve/CVE-2026-34486vdb-entry
- RHBZ#2457027issue-tracking
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34486.json
- https://access.redhat.com/errata/RHSA-2026:39188vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:38505vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:36787vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:36789vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:36788vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:36790vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:37137vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:37136vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:36878vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:36876vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:36877vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:36879vendor-advisory
- https://access.redhat.com/errata/RHSA-2026:39189vendor-advisory
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