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.
{
    "nvd_published_at": null,
    "severity": "HIGH",
    "cwe_ids": [
        "CWE-732"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:18:42Z"
}