CVE-2026-85431

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

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS

3.4% chance of exploitation in the next 30 days; higher than 88% of CVEs (scores of 2026-10-25)

CWE

CWE-345

Published

2026-09-03

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• themoos:essential-moos

References

• https://github.com/themoos/essential-moos
• https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pMOOSBridge/MOOSUDPLink.cpp#L21
• https://github.com/themoos/essential-moos/commit/d8441eac57d04ee89e7b82723480d10a558b45d6
• https://github.com/themoos/essential-moos/pull/19
• https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pmoosbridge-unauthenticated-udp-packet-injection

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