CVE-2026-104474

Medium

Description

OpenLiteSpeed before 1.9.3 contains a local privilege escalation vulnerability in admin/misc/lsup.sh that runs unverified update packages from a nobody-writable directory as root. Attackers controlling the nobody web process can replace the package in /usr/local/lsws/autoupdate/ before extraction, so its install.sh runs as root on the next update.

SeverityMedium

CVSS6.7

Exploit probability—

ProductLitespeedtech Openlitespeed

PublishedOct 3, 2026

First seenOct 3, 2026

Weakness typeCWE-367CWE-367

How to fix

Update

litespeedtech openlitespeed1.9.3 or later

Patches

github.com/litespeedtech/openlitespeed/commit/468523ce84388cea9ba6633c26517bc05b3e2bc1

Vendor advisories

openlitespeed.org/release-log/version-1-9-x/

Affected products

Product	Affected versions	Fixed in
litespeedtech openlitespeed	v < 1.9.3	1.9.3

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.