Vulnerability · Published Sep 3, 2026 · Assigned by VulnCheck
CVE-2026-85425MOOS-IvP through 24.8.1 iSay Command Injection via SAY_MOOS
Critical 9.8
In plain English
A critical-severity OS command injection in moos-ivp from moos-ivp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.8%top 21.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- Pull Request #120 issue-tracking, patch
- Proposed fix commit (pull request not merged) patch
- https://github.com/moos-ivp/moos-ivp product
- Sayer.cpp (verified sink) technical-description
- VulnCheck Advisory: MOOS-IvP through 24.8.1 iSay Command Injection via SAY_MOOS third-party-advisory