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Improper Authorization

🗓️ 20 Apr 2026 06:52:12Reported by Veracode Vulnerability DatabaseType 
veracode
 veracode
🔗 sca.analysiscenter.veracode.com👁 5 Views

Mattermost server improperly authorizes; MSTeams OAuth flow allows crafted redirects to edit posts.

Related
Detection
Refs
Vulners
Node
OROROROROROROROR
microsoftwindows_server_2008Range8.0.0-20240619142046-8181a9ddffc08.0.0-20250912063506-7d8b7b5e4a60go
OR
microsoftwindows_server_2008Range0.0.0-20240209181221-674f549daf0e8.0.0-20250912063506-7d8b7b5e4a60go

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22 Jun 2026 18:18Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3 - 5.4
EPSS0.0016
SSVC
5