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).
{
"cwe_ids": [
"CWE-200"
],
"github_reviewed": true,
"github_reviewed_at": "2019-09-11T22:39:04Z",
"nvd_published_at": "2019-09-06T19:15:00Z",
"severity": "CRITICAL"
}