A denial of service vulnerability exists in Jenkins 2.145 and earlier, LTS 2.138.1 and earlier in core/src/main/java/hudson/security/HudsonPrivateSecurityRealm.java that allows attackers without Overall/Read permission to access a specific URL on instances using the built-in Jenkins user database security realm that results in the creation of an ephemeral user record in memory.
{
"cwe_ids": [
"CWE-285"
],
"severity": "MODERATE",
"nvd_published_at": "2019-01-09T23:29:00Z",
"github_reviewed": true,
"github_reviewed_at": "2022-06-30T17:20:23Z"
}