by Kastro
Paper/Archive/CVE-2026-85433

CVE-2026-85433

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

EPSS 0.8%CVSS 9.8
critical.is priorityof 100
41
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 55.7.557 × 2011.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
essential-moos≤ 10.0.1–CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchgithub.com/themoos/essential-moos/pull/20patchgithub.com/themoos/essential-moos/commit/8e51cedcbd8de9781adec2e9cce354f51750a547refgithub.com/themoos/essential-mooswriteupgithub.com/themoos/essential-moos/blob/b897ea86dba8b61412dc48ac0cfb5ff34cdaf5f6/Essentials/pShare/Share.cpp#L813writeupvulncheck.com/advisories/moos-essential-moos-through-10.0.1-pshare-unauthorized-runtime-route-reconfiguration