CVE-2026-85439 MOOS-IvP through 24.8.1 alogsplit Command Injection via Input Pathname

High 8.5 Published 3 Sep 2026 Updated 5 Sep 2026

Attackers can execute arbitrary commands by injecting shell metacharacters into log file pathnames or the --dir parameter in alogsplit.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-85439?

CVE-2026-85439 is a high-severity command injection vulnerability in moos-ivp, published on 3 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

MOOS-IvP through 24.8.1 contains a remote code execution vulnerability in alogsplit's SplitHandler::handlePreCheckSplitDir() function that fails to sanitize shell metacharacters in log file pathnames. Attackers can embed shell syntax in log file names or the --dir parameter to execute arbitrary commands with the privileges of the operator running alogsplit.

Weakness: CWE-78

Which versions are affected by CVE-2026-85439?

It affects 1 product.

Products include Mit Moos-Ivp.

How do I fix CVE-2026-85439?

No fix has been published for CVE-2026-85439 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-85439 being exploited?

There is no known exploitation of CVE-2026-85439 in the wild and no public exploit code.

Sources

Also known as GHSA-fm2r-qmc4-5wf2.