CVE-2026-93903
litespeedtech LiteSpeed Web Server
- litespeedtech LiteSpeed Web Server
- Critical
- CVSS 9.4
- EPSS 0.26%
- Fixed version listed
What to do
Fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| litespeedtech LiteSpeed Web Server | before 6.3.7 build 1 | 6.3.7 build 1 |
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.4 (v4.0, scored by mitre)
- EPSS
- 0.26% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 25, 2026)
- CISA's SSVC decision points
- Exploitation: none. Automatable: no. Technical impact: total. As of Sep 30, 2026.
- Weakness
- CWE-174: Double Decoding of the Same Data
- Vendor
- litespeedtech, LiteSpeed Web Server
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.