Critical 9.8Published Sep 3, 2026

CVE-2026-85433MOOS essential-moos through 10.0.1 pShare Unauthorized Runtime Route Reconfiguration

Updated under an hour ago (Oct 28, 2026, 7:50 AM ET)

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It affects themoos essential-moos and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for themoos essential-moos

Exploited in the last 30 days

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.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Analyzed
Record last updated: Sep 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

themoos essential-moos themoos:essential_moos (from the name)	through 10.0.1	CNA record
themoos essential-moos themoos:essential-moos	through 10.0.1	NVD

References

References

https://github.com/themoos/essential-moos/pull/20	issue-tracking, patch, exploit
https://github.com/themoos/essential-moos/commit/8e51cedcbd8de9781adec2e9cce354f51750a547	patch
https://github.com/themoos/essential-moos	product
https://github.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pShare/Share.cpp#L813	technical-description, product
https://www.vulncheck.com/advisories/moos-essential-moos-through-10.0.1-pshare-unauthorized-runtime-route-reconfiguration	third-party-advisory, vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.