Security Advisory

CVE-2026-66299

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-28 14:29:05

Last updated 2026-07-28 17:40:03

Assigner apache

CVSS score not scored

State PUBLISHED

Description

Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example. This issue affects Apache Tomcat: from 11.0.0-M20 through 11.0.24, from 10.1.24 through 10.1.57, from 9.0.89 through 9.0.120. Users who have followed the security guidance to remove the examples web application are not affected by this issue. Users are recommended to remove the examples web application or to upgrade to version 11.0.25, 10.1.58 or 9.0.121 (when released), which fix the issue.

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