RCE in Moos-Ivp
CVE-2026-85426
MOOS-IvP uMemWatch through 24.8.1 constructs shell commands from attacker-chosen MOOS client names without sanitization. Attackers can inject shell metacharacters into client names to execute arbitrary commands as the uMemWatch process user through unquoted redirection targets in system calls.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (59.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.009 · change: +0.003
Affected products
Weakness classification (CWE)
References
- github.com/moos-ivp/moos-ivp (product)
- github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/… (technical-description)
- github.com/moos-ivp/moos-ivp/commit/0b2bd991b0ca7139b1edcf271473d33e7eccfc20 (patch)
- github.com/moos-ivp/moos-ivp/pull/121 (issue-tracking, patch)
- www.vulncheck.com/advisories/moos-ivp-through-24.8.1-umemwatch-command-injectio… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-85426?
- CVE-2026-85426 is a critical-severity vulnerability in Moos-Ivp, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-09-03.
- How severe is CVE-2026-85426?
- Critical severity. CVSS v3 base score is 9.8 out of 10.