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CVE-2025-0503 Leaked User IDs and Metadata of Deleted DMs

🗓️ 14 Feb 2025 17:52:17Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

Mattermost versions 9.11.x through 9.11.6 fail to filter deleted direct messages in channels endpoint, enabling user ID inference.

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15 Jul 2026 01:49Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.13.1
EPSS0.00244
5