CVE-2026-9597mediumCWE-305

CVE-2026-9597: fallo de gravedad media en Mattermost

Deactivated guest accounts can authenticate via magic-link token in Mattermost REST API login endpoint

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13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 5.4epss 0.2%
Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4 fail to verify whether a guest account is deactivated before creating a session in the magic-link token login path, which allows a deactivated guest user to obtain a fully functional session via a magic-link token issued prior to deactivation.. Mattermost Advisory ID: MMSA-2026-00681
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Productos afectados
Mattermost · Mattermost
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