CVE-2022-0072: Directory Traversal in OpenLiteSpeed Web Server

Severity: medium (CVSS 5.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-10-27 · updated 2026-06-17
Weakness: CWE-22

Description

Directory Traversal vulnerability in LiteSpeed Technologies OpenLiteSpeed Web Server and LiteSpeed Web Server dashboards allows Path Traversal. This affects versions from 1.5.11 through 1.5.12, from 1.6.5 through 1.6.20.1, from 1.7.0 before 1.7.16.1

Affected products

LiteSpeed Technologies OpenLiteSpeed: from 1.6.5 through 1.6.20.1; from 1.7.0 before 1.7.16.1; 1.5.11, 1.5.12 — fixed in 1.7.16.1

How to fix

Upgrade to a fixed version: LiteSpeed Technologies OpenLiteSpeed 1.7.16.1. Check the vendor advisory for mitigations.

References

https://github.com/litespeedtech/openlitespeed/blob/v1.7.16.1/src/main/httpserver.cpp#L2060-L2061
https://github.com/litespeedtech/openlitespeed/blob/v1.7.16/src/main/httpserver.cpp#L2060-L2061
https://github.com/litespeedtech/openlitespeed/blob/v1.7.16.1/src/main/httpserver.cpp#L2060-L2061
https://github.com/litespeedtech/openlitespeed/blob/v1.7.16/src/main/httpserver.cpp#L2060-L2061

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