CVE-2026-34486
HIGH7.5EPSS 1.7%Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor
Published: 4/9/2026Modified: 5/27/2026
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.
Affected packages (3)
- Bitnami/tomcat>= 9.0.116, < 9.0.117, >= 10.1.53, < 10.1.54, >= 11.0.20, < 11.0.21
- Maven/org.apache.tomcat:tomcat>= 11.0.20, < 11.0.21
- Maven/org.apache.tomcat:tomcat-tribes>= 11.0.20, < 11.0.21
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
References (12)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-34486
- PATCHhttps://github.com/apache/tomcat
- WEBhttps://github.com/apache/tomcat/commit/1fab40ccc752e22639eccfe290d5624afad7eccd
- WEBhttps://github.com/apache/tomcat/commit/55f3eb9148233054fccfdf761141c6894a050be1
- WEBhttps://github.com/apache/tomcat/commit/776e12b3e2b0b4507b8a3b62c187ceb0b74bf418
- WEBhttps://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly
- WEBhttps://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.54
- WEBhttps://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.21
- WEBhttps://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.117
- WEBhttps://www.herodevs.com/vulnerability-directory/cve-2026-34486
- WEBhttps://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcat
- WEBhttps://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcat