The Doorkeeper gem before 4.2.0 for Ruby might allow remote attackers to conduct replay attacks or revoke arbitrary tokens by leveraging failure to implement the OAuth 2.0 Token Revocation specification.
{ "nvd_published_at": null, "cwe_ids": [ "CWE-1254" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2020-06-16T20:55:30Z" }