PT-2026-65495 · Apache · Apache Tomcat

CVE-2026-66299 · Publicado 2026-07-28 · Atualizado 2026-07-28

Mitre

CVSS v3.1

7.5

Alta

Vetor base

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Correção

Resource Exhaustion

Enumeração de Fraquezas

CWE-400

Identificadores relacionados

CVE-2026-66299

Produtos afetados

Apache Tomcat

Referências · 3

• https://lists.apache.org/thread/8owczcc1o8qw1rxmg9gvfk4w2jnh4l5k · Aviso do Fabricante
• http://openwall.com/lists/oss-security/2026/07/28/25 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-66299 · Nota de Segurança