CVE-2026-85431: high-severity vulnerability in themoos essential-moos
MOOS essential-moos through 10.0.1 pMOOSBridge Unauthenticated UDP Packet Injection
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 3.4%
MOOS essential-moos through version 10.0.1 contains an unauthenticated UDP packet injection vulnerability in pMOOSBridge when configured with UDPListen. Attackers can send crafted UDP packets to the configured port to inject arbitrary variables into the local MOOS community with spoofed source and community identifiers.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Affected products
themoos · essential-moosRelated CVEs — themoos essential-moos
In the same product, most dangerous first.
CVE-2026-85436HIGHMOOS essential-moos through 10.0.1 pMOOSBridge Heap Corruption via Negative UDP LengthEPSS 2.1%CVE-2026-85430HIGHMOOS essential-moos through 10.0.1 pShare Unauthenticated UDP Datagram RepublishingEPSS 1.7%CVE-2026-85433CRITICALMOOS essential-moos through 10.0.1 pShare Unauthorized Runtime Route ReconfigurationEPSS 0.8%CVE-2026-85427CRITICALMOOS essential-moos through 10.0.1 pAntler Remote Code Execution via Unauthenticated MISSION_FILEEPSS 0.6%
References
https://github.com/themoos/essential-mooshttps://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pMOOSBridge/MOOSUDPLink.cpp#L21https://github.com/themoos/essential-moos/commit/d8441eac57d04ee89e7b82723480d10a558b45d6https://github.com/themoos/essential-moos/pull/19https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pmoosbridge-unauthenticated-udp-packet-injection