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CVE-2026-21388

Mattermost Plugins

Descrição

Mattermost Plugins versions <=2.3.1 fail to limit the request body size on the {{/lifecycle}} webhook endpoint which allows an authenticated attacker to cause memory exhaustion and denial of service via sending an oversized JSON payload. Mattermost Advisory ID: MMSA-2026-00610

CVSS 3.7EPSS 0.311%Risco 0.38
Ver fonte
Publicação
2026-04-09 11:16:20
Versões afetadas
<=2.3.1
Tipo
Installed app
Vetor
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L