CVE-2026-34486: Apache Tomcat Missing Encryption of Sensitive Data Vulnerability

Published Apr 9, 2026
·
Updated

A vulnerability identified in NetIQ Advance Authentication that leaks sensitive server information. This issue affects NetIQ Advance Authentication version before 6.3.5.1

Other sources

Apache Tomcat contains a missing encryption of sensitive data vulnerability that allows the bypass of the EncryptInterceptor. This vulnerability can be chained with CVE‑2025‑24813.

— CISA

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.

— Red Hat

Affected Software

17 affected components
Apache Tomcat=11.0.20, =10.1.53, =9.0.116
IBM watsonx.data intelligence<=5.2.2, 5.3.0, 5.3.1, 5.3.1-patch-1
Apache Tomcat=9.0.116
Apache Tomcat=10.1.53
Apache Tomcat=11.0.20
Apache Tomcat
redhat Jboss Web Server=7.0.0
redhat Enterprise Linux=8.0
redhat Enterprise Linux=9.0
redhat Enterprise Linux=10.0
redhat Enterprise Linux Els=7.0
redhat Enterprise Linux Eus=10.0
redhat Enterprise Linux Tus=8.8
redhat Enterprise Linux Update Services For Sap Solutions=8.8
redhat Enterprise Linux Update Services For Sap Solutions=9.2
redhat Enterprise Linux Update Services For Sap Solutions=9.4
redhat Enterprise Linux Update Services For Sap Solutions=9.6

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apache Tomcat 11 to a version that resolves this vulnerability.

    Fixed in 11.0.21
  2. Upgrade

    Upgrade Apache Tomcat 10 to a version that resolves this vulnerability.

    Fixed in 10.1.54
  3. Upgrade

    Upgrade Apache Tomcat 9 to a version that resolves this vulnerability.

    Fixed in 9.0.117
  4. Upgrade

    Upgrade NetIQ Advance Authentication to a version that resolves this vulnerability.

    Fixed in 6.3.5.1

Event History

Apr 9, 2026
CVE Published
via MITRE·07:35 PM
Data Sourced
via MITRE·07:35 PM
DescriptionWeakness
Data Sourced
via Red Hat·08:01 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·08:16 PM
DescriptionSeverityWeaknessAffected Software
Jun 24, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Aug 4, 2026
Known Exploited
via CISA·12:00 AM
Data Sourced
via CISA·12:00 AM
RemedyDescriptionAffected Software
Aug 5, 2026
News Published
via BleepingComputer·03:51 PM
News Published
via BleepingComputer·03:54 PM
Nov 23, 58564
Event
via NVD·02:48 PM

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2026-34486?

CVE-2026-34486 is considered a significant vulnerability affecting Apache Tomcat versions 11.0.20, 10.1.53, and 9.0.116.

2

How do I fix CVE-2026-34486?

To fix CVE-2026-34486, update Apache Tomcat to the latest version that addresses this vulnerability.

3

Which Apache Tomcat versions are affected by CVE-2026-34486?

CVE-2026-34486 affects Apache Tomcat versions 11.0.20, 10.1.53, and 9.0.116.

4

What does CVE-2026-34486 vulnerability involve?

CVE-2026-34486 involves a bypass of the EncryptInterceptor due to a fix that was implemented for CVE-2026-29146.

5

Is there a workaround for CVE-2026-34486 until a fix is applied?

Currently, there are no documented workarounds for CVE-2026-34486; applying the fix through an update is recommended.

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