Description
Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token.
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
0 to ≤ 7.1.7affected0 to ≤ 7.7.3affected0 to ≤ 7.8.2affected0 to ≤ 7.9.1affected7.10unaffected7.9.3unaffected7.8.4unaffected7.7.5unaffected7.1.9unaffected