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CVE-2026-34486

Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor

Published: Apr 9, 2026Updated: May 26, 2026 Sources: CVE List NVD BDUCWE-311
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.9%
Top 23.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
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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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-311

Affected Products

TomcatApache Software Foundation
On-premWeb App
Networking Infrastructure / load-balancer-proxy
Apache TomcatApache Software Foundation
On-premWeb App
Networking Infrastructure / load-balancer-proxy
tomcatapache
On-premWeb App
Networking Infrastructure / load-balancer-proxy
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
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References

https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly
lists.apache.org
https://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcat
vicarius.io
https://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcat
vicarius.io

Timeline

Published
Apr 9, 2026
Last Updated
May 26, 2026

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