Critical severity · published Sep 3, 2026
CVE-2026-85425
MOOS-IvP through 24.8.1 iSay Command Injection via SAY_MOOS
9.8
CVSS
1.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
moos-ivp · moos-ivp
through 24.8.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-85425
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-85425
Product
https://github.com/moos-ivp/moos-ivp
Issue Tracking
https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/iSay/Sayer.cpp#L416
Issue Tracking
https://github.com/moos-ivp/moos-ivp/commit/ed3a44131fd3e5528602f20adc37ba82273c1cd8
Issue Tracking
https://github.com/moos-ivp/moos-ivp/pull/120
Third Party Advisory
https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-isay-command-injection-via-say-moos
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