CVE-2026-85425

CRITICAL 9.8

MOOS-IvP through 24.8.1 iSay Command Injection via SAY_MOOS

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78
Vendor	moos-ivp
Product	moos-ivp
Published	Sep 3, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

moos-ivp / moos-ivp

0 ≤ 24.8.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/moos-ivp/moos-ivp/pull/120 github.com: https://github.com/moos-ivp/moos-ivp/commit/ed3a44131fd3e5528602f20adc37ba82273c1cd8 github.com: https://github.com/moos-ivp/moos-ivp github.com: https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/iSay/Sayer.cpp#L416 vulncheck.com: https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-isay-command-injection-via-say-moos

Credits

Vlatko Kosturjak