CVE-2026-3116

MEDIUM

4.9

Description

Mattermost Plugins versions <=11.4 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to validate incoming request size which allows an authenticated attacker to cause service disruption via the webhook endpoint. Mattermost Advisory ID: MMSA-2026-00589

Details CVE

Score CVSS v3.14.9

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie3/26/2026

Derniere modification3/30/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-400

References

https://mattermost.com/security-updates(responsibledisclosure@mattermost.com)

Correlations IOC

Aucune correlation enregistree

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