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.
{
"cwe_ids": [
"CWE-1254"
],
"github_reviewed": true,
"github_reviewed_at": "2020-06-16T20:55:30Z",
"nvd_published_at": null,
"severity": "CRITICAL"
}