Rapid7
CVE-2026-121139: The Rapid7 Metasploit msf-ws suffers from a missing authentication vulnerability whereby the REST API grants an unauthenticated "bootstrap" exemption so that th
CVE-2026-121139 Nov 5, 2026 Source: Vendor
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: :admin_api), which resolves to AdminApiToken. The inherited ApiToken#authenticate! short-circuits and returns success!() whenever
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-121139
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CVE-2026-121139
BR2026-0000-042611
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Credited as Ali Ganiyev
CVE-2026-121139
BR2026-0000-042612
unclaimed
Credited as Tanish Agarwal