CVE-2026-34486

HIGH

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.

CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Published: 4/9/2026Modified: 9/21/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (21)

https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrlyMailing ListVendor Advisoryhttps://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcatThird Party Advisoryhttps://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcatMitigationThird Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:36787Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:36788Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:36789Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:36790Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:36876Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:36877Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:36878Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:36879Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:37136Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:37137Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:38505Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:39188Third Party Advisoryhttps://access.redhat.com/errata/RHSA-2026:39189Third Party Advisoryhttps://access.redhat.com/security/cve/CVE-2026-34486Third Party Advisoryhttps://bugzilla.redhat.com/show_bug.cgi?id=2457027Issue TrackingThird Party Advisoryhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34486.jsonThird Party Advisoryhttps://socradar.io/blog/snowlight-government-chinese-campaign/Third Party Advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34486US Government Resource