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GO-2026-6280 Mattermost doesn't require role-management authorization when setting the scheme_admin flag on group syncable link and patch endpoints in github.com/mattermost/mattermost-server

🗓️ 25 Aug 2026 19:43:10Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Mattermost missing authorization when setting scheme_admin flag on group syncable link and patch endpoints.

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26 Aug 2026 01:21Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.18.8
EPSS0.0031
SSVC
3