CVE-2026-57499 Liman: OS Command Injection in LogRotationController allows authenticated admin to execute arbitrary commands (RCE)
An authenticated administrator can execute arbitrary OS commands on the Liman server via unsanitized input in the log rotation configuration.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-57499?
CVE-2026-57499 is a critical command injection vulnerability in limanmys core, published on 27 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Liman is open source server management software. Prior to 2.2.2 - 1103, an OS command injection vulnerability in the log rotation configuration endpoint allows an authenticated administrator to execute arbitrary operating system commands on the Liman server. The `ip_address` parameter is embedded directly into a shell command without sanitization, enabling shell escape via single-quote injection. This is fixed in 2.2.2 - 1103.
Which versions are affected by CVE-2026-57499?
How do I fix CVE-2026-57499?
No fix has been published for CVE-2026-57499 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-2026-57499 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-57499 exists.