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Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm

🗓️ 22 Dec 2025 12:30:21Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

Mattermost Jira plugin on affected versions allows unauthenticated requests via spoofed user IDs.

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Detection
Refs
Vulners
Node
OR
mattermostmattermostRange<8.0.0-20251121122154-b57c297c6d7ago

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02 Jan 2026 15:34Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.2 - 8.3
EPSS0.00125
SSVC
3