Exposure of Data Element to Wrong Session Affecting tomcat9-el-3.0-api package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.52% (44th percentile)

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  • Snyk IDSNYK-RHEL10-TOMCAT9EL30API-21405689
  • published22 Oct 2026
  • disclosed20 Oct 2026

Introduced: 20 Oct 2026

NewCVE-2026-101356  (opens in a new tab)
CWE-488  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 tomcat9-el-3.0-api.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat9-el-3.0-api package and not the tomcat9-el-3.0-api package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

Incorrect object recycling and re-use vulnerability in Apache Tomcat affecting HTTP/2 processing of asynchronous servlets can trigger request and/or response mix-up between users.

This issue affects Apache Tomcat: from 11.0.22 through 11.0.26, from 10.1.55 through 10.1.60, from 9.0.118 through 9.0.122.

Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fixes the issue.

CVSS Base Scores

version 3.1