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CVE-2025-11777 Cross-team channel membership access

🗓️ 13 Nov 2025 17:32:03Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 8 Views

CVE-2025-11777: Mattermost 10.11.x and 10.5.x allow cross-team access via Add Channel Member API.

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15 Jul 2026 01:49Current
7.2High risk
Vulners AI Score7.2
CVSS 3.13.1
EPSS0.00177
8