In oxidized-web (aka Oxidized Web) before 0.15.0, the RANCID migration page allows an unauthenticated user to gain control over the Linux user account that is running oxidized-web.
Conclusion & alert: CVE-2025-27590 is rated High Risk (72.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 17.00%, 95th percentile).Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.60% over the last day, indicating growing attacker interest.Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2025-27590
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
GHSA-jx6p-9c26-g373 · Severity: critical · Ecosystem: rubygems — Oxidized Web RANCID migration page allows unauthenticated user to gain control over Linux user account
Affected software / configurations for CVE-2025-27590