Doorkeeper version 4.2.0 and later contains a Incorrect Access Control vulnerability in Token revocation API's authorized method that can result in Access tokens are not revoked for public OAuth apps, leaking access until expiry.
{ "binaries": [ { "binary_name": "ruby-doorkeeper", "binary_version": "4.3.1-1ubuntu0.1~esm1" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-1000211.json"