CVE-2026-2454

MEDIUM

5.8

Description

Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 fail to handle incorrectly reported array lengths which allows malicious user to cause OOM errors and crash the server via sending corrupted msgpack frames within websocket messages to calls plugin. Mattermost Advisory ID: MMSA-2025-00537

Details CVE

Score CVSS v3.15.8

SeveriteMEDIUM

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/16/2026

Derniere modification3/18/2026

Sourcenvd

Observations honeypot0

Produits affectes

mattermost:mattermost_server

Faiblesses (CWE)

CWE-1287

References

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

Correlations IOC

Aucune correlation enregistree

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