CVE-2025-14822

LOW

3.1

Descricao

Mattermost versions 10.11.x <= 10.11.8 fail to validate input size before processing hashtags which allows an authenticated attacker to exhaust CPU resources via a single HTTP request containing a post with thousands space-separated tokens

Detalhes CVE

Pontuacao CVSS v3.13.1

SeveridadeLOW

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

Vetor de ataqueNETWORK

ComplexidadeHIGH

Privilegios necessariosLOW

Interacao do usuarioNONE

Publicado1/16/2026

Ultima modificacao1/20/2026

Fontenvd

Avistamentos honeypot0

Produtos afetados

mattermost:mattermost_server

Fraquezas (CWE)

CWE-407CWE-770

Referencias

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

Correlacoes IOC

Sem correlacoes registradas

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