Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-85431

CVE-2026-85431HIGH

themoos essential-moos — MOOS essential-moos through 10.0.1 pMOOSBridge Unauthenticated UDP Packet Injection

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   N   H   N    8.7   .0337   88.6     —

AFFECTED
  Product         Versions     Fixed
  essential-moos  unspecified  —

TIMELINE
  Sep 3   Reserved by VulnCheck
  Sep 3   Published (CNA: VulnCheck)
  Oct 14  EXPLOIT PUBLISHED — CVE-2026-85431 (themoos essential-moos). Public exploit reference added.

CWE-345 · CNA: VulnCheck · CVSS v4.0 · 5 references · NVD status: Analyzed

Description

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.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 3, 2026	Reserved	Reserved by VulnCheck
September 3, 2026	Published	Published (CNA: VulnCheck)
October 14, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-85431 (themoos essential-moos). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
themoos	essential-moos	—	—	—

Weaknesses

CWE-345

References (5)

https://github.com/themoos/essential-moos [Product]
https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pMOOSBridge/MOOSUDPLink.cpp#L21 [Product]
https://github.com/themoos/essential-moos/commit/d8441eac57d04ee89e7b82723480d10a558b45d6 [Patch]
https://github.com/themoos/essential-moos/pull/19 [Patch, Exploit]
https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pmoosbridge-unauthenticated-udp-packet-injection [Third Party Advisory, VDB Entry]

Authoritative record: CVE-2026-85431 at cve.org

Vendors: themoos

Weaknesses: CWE-345

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-85431 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.