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-2026-85433

CVE-2026-85433CRITICAL

themoos essential-moos — MOOS essential-moos through 10.0.1 pShare Unauthorized Runtime Route Reconfiguration

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   H   H   H    9.3   .0077   54.8     —

AFFECTED
  Product         Versions     Fixed
  essential-moos  unspecified  —

TIMELINE
  Sep 3   Reserved by VulnCheck
  Sep 3   Published (CNA: VulnCheck)
  Oct 14  EXPLOIT PUBLISHED — CVE-2026-85433 (themoos essential-moos). Public exploit reference added.

CWE-862 · CNA: VulnCheck · CVSS v4.0 · 5 references · NVD status: Analyzed

Description

MOOS essential-moos pShare through 10.0.1 fails to properly authorize PSHARE_CMD messages, allowing any publisher to reconfigure network routes and listeners at runtime. Attackers can send crafted PSHARE_CMD messages with cmd=output or cmd=input parameters to open new listeners on arbitrary addresses and redirect or duplicate bus traffic to attacker-controlled destinations.

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-2026-85433 (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-862

References (5)

https://github.com/themoos/essential-moos [Product]
https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pShare/Share.cpp#L813 [Product]
https://github.com/themoos/essential-moos/commit/8e51cedcbd8de9781adec2e9cce354f51750a547 [Patch]
https://github.com/themoos/essential-moos/pull/20 [Patch, Exploit]
https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pshare-unauthorized-runtime-route-reconfiguration [Third Party Advisory, VDB Entry]

Authoritative record: CVE-2026-85433 at cve.org

Vendors: themoos

Weaknesses: CWE-862

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-85433 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.