Skip to main content

Boteraser | Website and Server Security Solutions

🛡️ CVE-2026-34486 — enterprise-linux

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-311 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: None.
  • Availability impact: None.

Weakness class

CVE-2026-34486 is classified as CWE-311: Missing Encryption of Sensitive Data. Sensitive data is stored or transmitted in the clear, so anyone able to observe it can read it.

Affected software

CVE-2026-34486 is recorded against 9 packages.

  • enterprise-linux
  • enterprise-linux-els
  • enterprise-linux-eus
  • enterprise-linux-tus
  • enterprise-linux-update-services-for-sap-solutions
  • jboss-web-server
  • org.apache.tomcat:tomcat (from 9.0.116 up to 9.0.117)
  • org.apache.tomcat:tomcat-tribes (from 9.0.116 up to 9.0.117)
  • tomcat

Timeline and source

Published on 9 April 2026 and last revised on 10 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

lists.apache.org
www.vicarius.io
www.vicarius.io
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
access.redhat.com
bugzilla.redhat.com
security.access.redhat.com
socradar.io
www.cisa.gov

Other advisories for this package

enterprise-linux has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-311: Missing Encryption of Sensitive Data) in other software:

CVE-2026-34486 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE CWE-311
Public Exploit ✅ No
Source NVD
Published 2026-04-09
Updated 2026-08-20
Modified 2026-08-10
Fix URL N/A

Affected Packages

Software From version Fixed in
enterprise-linux
enterprise-linux-els
enterprise-linux-eus
enterprise-linux-tus
enterprise-linux-update-services-for-sap-solutions
jboss-web-server
org.apache.tomcat:tomcat 9.0.116 9.0.117
org.apache.tomcat:tomcat-tribes 9.0.116 9.0.117
tomcat

References

Issue Tracking, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2457027

Similar Threats

Site Security Check

Is enterprise-linux part of your stack?

CVE-2026-34486 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

Browse related advisories

All advisoriesCVECVE 2026