CVE-2025-59783 OS Command Injection over API

High 8.8 Published 4 Mar 2026 Updated 4 Mar 2026

Authenticated administrators can execute arbitrary OS commands via the user synchronization API due to insufficient input validation.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2025-59783?

CVE-2025-59783 is a high-severity command injection vulnerability in 2N Access Commander, published on 4 Mar 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

API endpoint for user synchronization in 2N Access Commander version 3.4.1 did not have a sufficient input validation allowing for OS command injection. This vulnerability can only be exploited after authenticating with administrator privileges.

Weakness: CWE-78

Which versions are affected by CVE-2025-59783?

It affects 1 product.

Products include 2n Access Commander.

How do I fix CVE-2025-59783?

No fix has been published for CVE-2025-59783 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-2025-59783 being exploited?

There is no known exploitation of CVE-2025-59783 in the wild and no public exploit code.

Sources

Also known as GHSA-p896-3284-96mx.