CVE-2026-93903
Critical
Description
LiteSpeed Web Server (LSWS) before 6.3.7 build 1 mishandles internal redirect URL validation in a certain "corner case."
SeverityCritical
CVSS9.4
Exploit probability—
ProductLiteSpeed Web Server
PublishedSep 30, 2026
First seenSep 30, 2026
Weakness typeCWE-174CWE-174
How to fix
Update
- litespeedtech LiteSpeed Web Server6.3.7 build 1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| litespeedtech LiteSpeed Web Server | v < 6.3.7 build 1 | 6.3.7 build 1 |
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