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GO-2026-5263 Mattermost doesn't verify channel membership when processing AI-assisted message rewrites in github.com/mattermost/mattermost-server

🗓️ 25 Jun 2026 18:43:15Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Mattermost does not verify channel membership when processing AI-assisted message rewrites in mattermost-server.

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25 Jun 2026 19:45Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5
EPSS0.00205
SSVC
2