CVE-2026-16895

UNKNOWN 0.0

Authentication Bypass in Metasploit JSON-RPC Service When DB Health Check Fails

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

A logic vulnerability (fail-open condition) has been identified within the Metasploit Framework's JSON-RPC web service interface. When an exception occurs during the database health check (db.check) and the environment variable MSF_WS_JSON_RPC_API_TOKEN is not explicitly set, the application resets the internal state flag msf.auth_initialized to false. The ApiToken Warden authentication strategy misinterprets this false value as an indicator that authentication is not initialized or required, thereby granting unauthenticated local access to the JSON-RPC request dispatcher.

CWE	CWE-305
Vendor	rapid7
Product	metasploit-framework
Published	Aug 27, 2026

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Affected Versions

Rapid7 / Metasploit-framework

0 < 6.5.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

rapid7.com: https://www.rapid7.com/blog/post/pt-metasploit-wrap-up-lot-of-summer-shells-and-fit-http-profiles/ github.com: https://github.com/rapid7/metasploit-framework/pull/21768

Credits

🔍 Jaime Cavero