Description
Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper access control which allows a guest to get the metadata of a public playbook run that linked to the channel they are guest via sending an RHSRuns GraphQL query request to the server
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mattermost Mattermost
Default version status: unaffected
9.5.0 to ≤ 9.5.3affected9.6.0 to ≤ 9.6.1affected8.1.0 to ≤ 8.1.12affected9.7.0unaffected9.5.4unaffected9.6.2unaffected8.1.13unaffected