RCE in Mit Moos-Ivp
CVE-2026-85425
MOOS-IvP iSay through 24.8.1 contains a remote code execution vulnerability in the SAY_MOOS variable handler that passes unsanitized text to a shell command. Attackers can publish SAY_MOOS messages containing backticks or command substitution syntax to execute arbitrary commands as the iSay process user.
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: 0.018 (77.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.018 · change: +0.008
Affected products
Weakness classification (CWE)
References
- github.com/moos-ivp/moos-ivp (Product, product)
- github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/… (technical-description, Issue Tracking)
- github.com/moos-ivp/moos-ivp/commit/ed3a44131fd3e5528602f20adc37ba82273c1cd8 (Patch, patch, Issue Tracking)
- github.com/moos-ivp/moos-ivp/pull/120 (issue-tracking, Patch, patch, Issue Tracking)
- www.vulncheck.com/advisories/moos-ivp-through-24.8.1-isay-command-injection-via… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-85425?
- CVE-2026-85425 is a critical-severity vulnerability in Mit Moos-Ivp, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-09-03.
- How severe is CVE-2026-85425?
- Critical severity. CVSS v3 base score is 9.8 out of 10.