An open redirect vulnerability in LabKey Server Community Edition before 18.3.0-61806.763 via the /__r1/ returnURL parameter allows an unauthenticated remote attacker to redirect users to arbitrary web sites.
Conclusion & alert: CVE-2019-3912 is rated High Exploit Risk (67.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 4.83%, 91th percentile).Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB).Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Public exploit references (Exploit-DB) for CVE-2019-3912
Exploit prediction scoring system (EPSS) score for CVE-2019-3912
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).