CVE-2026-2461: falha de média gravidade em Mattermost
Missing authorization check allows unauthorized modification of other users' comments on a board
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 4.3epss 0.2%
Mattermost Plugins versions <=11.3 11.0.3 11.2.2 10.10.11.0 fail to implement authorisation checks on comment block modifications, which allows an authorised attacker with editor permission to modify comments created by other board members. Mattermost Advisory ID: MMSA-2025-00559
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Produtos afetados
Mattermost · MattermostCVEs relacionadas — Mattermost
No mesmo produto, das mais perigosas para as menos.
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Referências
https://mattermost.com/security-updates