CVE-2026-85433

CVE-2026-85433

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.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-85433?
CVE-2026-85433 is a critical-severity vulnerability, classified under Missing Authorization. CVSS score: 9.8/10. Published 2026-09-03.
How severe is CVE-2026-85433?
Critical severity. CVSS v3 base score is 9.8 out of 10.