CVE-2026-1046highCWE-939

CVE-2026-1046: falha de alta gravidade em Mattermost

Arbitrary application execution via unvalidated server-controlled URLs in Help menu

Publicada em · Atualizada em

21Vexday Risk Score

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

ssvc Trackcvss 7.6epss 0.2%
probabilidade de exploração
0.2%top 85% das CVEs
exploração observada
nãonenhuma fonte reporta
Mattermost Desktop App versions <=6.0 6.2.0 5.2.13.0 fail to validate help links which allows a malicious Mattermost server to execute arbitrary executables on a user’s system via the user clicking on certain items in the Help menu Mattermost Advisory ID: MMSA-2026-00577
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:L
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