Improper Verification of Permissions in Mattermost Allows Unauthorized Access to Archived Public Channels

Improper Verification of Permissions in Mattermost Allows Unauthorized Access to Archived Public Channels

CVE-2023-47858 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Mattermost fails to properly verify the permissions needed for viewing archived public channels,  allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.

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