CVE-2026-31386 Command injection in LSWS Enterprise

High 8.6 Published Updated

Administrative users can execute arbitrary OS commands on LiteSpeed web servers, potentially compromising the underlying system.

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-2026-31386?

CVE-2026-31386 is a high-severity command injection vulnerability in LiteSpeed Technologies LSWS Enterprise, published on 16 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

OpenLiteSpeed and LSWS Enterprise provided by LiteSpeed Technologies contain an OS command injection vulnerability. An arbitrary OS command may be executed by an attacker with the administrative privilege.

Weakness: CWE-78

Which versions are affected by CVE-2026-31386?

It affects 2 products.

Products include Litespeedtech Litespeed Web Server, Litespeedtech Openlitespeed.

How do I fix CVE-2026-31386?

No fix has been published for CVE-2026-31386 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-2026-31386 being exploited?

There is no known exploitation of CVE-2026-31386 in the wild and no public exploit code.

Sources

Also known as GHSA-3gr9-8p27-7f3p.

Is CVE-2026-31386 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free