CVE-2026-31386
High
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.
SeverityHigh
CVSS8.6
Exploit probability—
ProductLitespeedtech Litespeed Web Server
PublishedMar 16, 2026
First seenMar 16, 2026
Weakness typeCWE-78OS command injection
How to fix
Update
- litespeedtech litespeed_web_server6.3.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| litespeedtech litespeed_web_server | v < 6.3.5 | 6.3.5 |
| litespeedtech openlitespeed | v ≤ 1.9.0 | — |
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