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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-34486 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://access.redhat.com/errata/RHSA-2026:36787 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:36788 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:36789 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:36790 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:36876 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:36877 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:36878 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:36879 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:37136 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:37137 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:38505 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:39188 redhat-SADP Third Party Advisory 
https://access.redhat.com/errata/RHSA-2026:39189 redhat-SADP Third Party Advisory 
https://access.redhat.com/security/cve/CVE-2026-34486 redhat-SADP Third Party Advisory 
https://bugzilla.redhat.com/show_bug.cgi?id=2457027 redhat-SADP Issue Tracking  Third Party Advisory 
https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly Apache Software Foundation Mailing List  Vendor Advisory 
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34486.json redhat-SADP Third Party Advisory 
https://socradar.io/blog/snowlight-government-chinese-campaign/ CISA-ADP Third Party Advisory 
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34486 CISA-ADP US Government Resource 
https://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcat CVE Third Party Advisory 
https://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcat CVE Mitigation  Third Party Advisory 

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name Date Added Due Date Required Action
Apache Tomcat Missing Encryption of Sensitive Data Vulnerability 08/04/2026 08/07/2026 Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-311 Missing Encryption of Sensitive Data Apache Software Foundation  
CWE-807 Reliance on Untrusted Inputs in a Security Decision redhat-SADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

22 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-34486
NVD Published Date:
04/09/2026
NVD Last Modified:
08/10/2026
Source:
Apache Software Foundation