CVE-2023-2193 – Oauth authorization codes do not expire when deauthorizing an oauth2 app

https://notcve.org/view.php?id=CVE-2023-2193

20 Apr 2023 — Mattermost fails to invalidate existing authorization codes when deauthorizing an OAuth2 app, allowing an attacker possessing an authorization code to generate an access token. • https://mattermost.com/security-updates • CWE-862: Missing Authorization •