CVE-2026-34486

high

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.

References

https://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcat

https://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcat

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34486.json

https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly

https://bugzilla.redhat.com/show_bug.cgi?id=2457027

https://access.redhat.com/security/cve/CVE-2026-34486

Details

Source: Mitre, NVD

Published: 2026-04-09

Updated: 2026-07-06

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.15447