CVE-2026-3108highCWE-150

CVE-2026-3108: falha de alta gravidade em Mattermost

Terminal Escape Injection in mmctl Report Posts Command

Publicada em · Atualizada em

21Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 8epss 0.3%
probabilidade de exploração
0.3%top 74% das CVEs
exploração observada
nãonenhuma fonte reporta
Mattermost versions 11.2.x <= 11.2.2, 10.11.x <= 10.11.10, 11.4.x <= 11.4.0, 11.3.x <= 11.3.1 fail to sanitize user-controlled post content in the mmctl commands terminal output which allows attackers to manipulate administrator terminals via crafted messages containing ANSI and OSC escape sequences that enable screen manipulation, fake prompts, and clipboard hijacking.. Mattermost Advisory ID: MMSA-2026-00599
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Produtos afetados
Mattermost · Mattermost
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No mesmo produto, das mais perigosas para as menos.

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Referências
https://mattermost.com/security-updates