Vulnerability CVE-2023-6547


Published: 2023-12-12   Modified: 2023-12-14

Description:
Mattermost fails to validate team membership when a user attempts to access a playbook, allowing a user with permissions to a playbook but no permissions to the team the playbook is on to access and modify the playbook. This can happen if the user was once a member of the team, got permissions to the playbook and was then removed from the team. 

Type:

CWE-Other

Affected software
Mattermost -> Mattermost server 

 References:
https://mattermost.com/security-updates

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