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Mattermost has an Observable Timing Discrepancy vulnerability

🗓️ 16 Oct 2025 09:30:24Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 7 Views

Mattermost 10.5.x–10.5.10 and 10.11.x–10.11.2 fail constant-time checks, enabling timing attacks on cloud API keys and OAuth client secrets.

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16 Oct 2025 21:04Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.13.1 - 3.7
EPSS0.00246
SSVC
7