CVE-2026-85424
critical · 9.3MOOS 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.
9.3
CVSS
0.8%
EPSS (exploit prob.)
57th
EPSS percentile
2026-09-03
Published
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-306
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| themoos | core-moos | <= 10.4.0 |
Check a specific version with /api/v1/cve/match.
References
- https://github.com/themoos/core-moos
- https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/DB/MOOSDB.cpp#L1163
- https://github.com/themoos/core-moos/commit/5ff5cdec44242156a168cc1a545a6a21357bd3ac
- https://github.com/themoos/core-moos/pull/84
- https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-missing-authentication-for-moosdb-publish-subscribe-and-db-clear
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2026-85424