Resource Exhaustion Affecting tomcat10 package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.31% (24th percentile)

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  • Snyk IDSNYK-ECHOLATEST-TOMCAT10-18388498
  • published29 Jul 2026
  • disclosed28 Jul 2026

Introduced: 28 Jul 2026

NewCVE-2026-66299  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest tomcat10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat10 package and not the tomcat10 package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.