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Mattermost allows system administrators to access password hashes and MFA secrets

🗓️ 14 Nov 2025 12:30:18Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

Mattermost sanitization flaw leaks password hashes and MFA secrets to system administrators via an API endpoint.

Related
Detection
Refs
Vulners
Node
mattermostmattermostRange<8.0.0-20250929212932-a41db04d2746go
OR
mattermostmattermost-serverRange10.12.010.12.1go
OR
mattermostmattermost-serverRange10.5.010.5.12go
OR
mattermostmattermost-serverRange10.11.010.11.4go

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17 Nov 2025 17:58Current
7High risk
Vulners AI Score7
CVSS 3.14.9
EPSS0.00244
SSVC
4