Vulnerability in Rapid7 Metasploit
Classification: Important, Solution: Official Fix, Exploit Maturity: Not Defined, CVSSv4.0: 7.3, CVEs: CVE-2026-121139, Summary: The Rapid7 Metasploit msf-ws suffers from a missing authentication vulnerability whereby the REST API grants an unauthenticated "bootstrap" exemption so that the very first administrator can be created when the users table is empty. While the table is empty, POST /api/v1/users is exempt from authentication by design: the route handler calls warden.authenticate!(scope:…
EPSS < 0.01 CVSS 7.3 CVE-2026-121139 Rapid7 FI