CVE-2026-66299

5.3 Moyenne

Publiée le 28/07/2026 à 17:17 · Modifiée le 27/08/2026 à 18:24 · Analysée par le NVD · Source : security@apache.org

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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Produits concernés

Scores CVSS

Version	Score	Source	Vecteur
3.1	5.3 Moyenne	nvd@nist.gov (NVD)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L`
3.1	7.5 Élevée	134c704f-9b21-4f2e-91b3-4a467353bcc0	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`

Faiblesses (CWE)

CWE-400

Références

https://lists.apache.org/thread/8owczcc1o8qw1rxmg9gvfk4w2jnh4l5k Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/07/28/25 Mailing ListThird Party Advisory

CVE-2026-66299

Description

Produits concernés

Scores CVSS

Faiblesses (CWE)

Références

Ailleurs