The Airbrake Ruby notifier 4.2.3 for Airbrake mishandles the blacklist_keys configuration option and consequently may disclose passwords to unauthorized actors. This is fixed in 4.2.4 (also, 4.2.2 and earlier are unaffected).
{ "nvd_published_at": "2019-09-06T19:15:00Z", "cwe_ids": [ "CWE-200" ], "severity": "CRITICAL", "github_reviewed": true, "github_reviewed_at": "2019-09-11T22:39:04Z" }