Vulnerability Description
MOOS core-moos through 10.4.0 lacks authentication in the wire protocol, allowing unauthenticated clients to connect with full publish, subscribe, and database clear privileges. Attackers can bypass the compile-time protocol string check and connect with arbitrary client names to execute privileged operations including DB_CLEAR which resets all variables and clears client mail queues.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/themoos/core-moos
- https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f
- https://github.com/themoos/core-moos/commit/5ff5cdec44242156a168cc1a545a6a21357b
- https://github.com/themoos/core-moos/pull/84
- https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-missing-authe
FAQ
What is CVE-2026-85424?
CVE-2026-85424 is a vulnerability with a CVSS score of 9.8 (CRITICAL). MOOS core-moos through 10.4.0 lacks authentication in the wire protocol, allowing unauthenticated clients to connect with full publish, subscribe, and database clear privileges. Attackers can bypass t...
How severe is CVE-2026-85424?
CVE-2026-85424 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-85424?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.