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CVE-2026-9597 Deactivated guest accounts can authenticate via magic-link token in Mattermost REST API login endpoint

🗓️ 13 Jul 2026 08:17:36Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

Deactivated guest accounts can login via magic-link in Mattermost login endpoint; affected versions 11.7.2 and 11.6.4.

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16 Jul 2026 03:48Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.4
EPSS0.00141
5