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GHSA-X3R8-2HMH-89F5 Mattermost has an Invite Token Replay Vulnerability via Channel Membership Manipulation

🗓️ 17 Dec 2025 21:30:48Reported by GoogleType 
osv_ghsa
 osv_ghsa
🔗 osv.dev👁 19 Views

Mattermost invite tokens are not invalidated after use, enabling token replay to change memberships.

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30 Dec 2025 02:26Current
7.3High risk
Vulners AI Score7.3
CVSS 3.14.3
EPSS0.00199
19