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Mattermost has a Missing Authorization vulnerability

🗓️ 16 Oct 2025 09:30:24Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

Mattermost vulnerability lets verified accounts with arbitrary emails be created during Slack import, bypassing access restrictions.

Related
Detection
Refs
Vulners
Node
mattermostmattermost-serverRange10.11.010.11.3go
OR
mattermostmattermost-serverRange10.5.010.5.11go
OR
mattermostmattermost-serverRange10.10.010.10.3go
OR
mattermostmattermostRange<8.0.0-20250822083415-01b95392a450go

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16 Oct 2025 21:00Current
7High risk
Vulners AI Score7
CVSS 3.15.4
EPSS0.00013
SSVC
4