CVE-2026-93903
No known exploitation. EPSS puts it in the 16th percentile. Fixed in 6.3.7 build 1.
What to do
Find your product and version, then upgrade to the build on the right.
- litespeedtech LiteSpeed Web ServerAffected: < 6.3.7 build 1Upgrade to: 6.3.7 build 1Stated by: CVE record
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
LiteSpeed Web Server (LSWS) before 6.3.7 build 1 mishandles internal redirect URL validation in a certain "corner case."
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.3% chance of exploitation activity in the next 30 days, which ranks it in the 16th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
4 events over 0 days, from the signal feeds we watch.
- Publishedweakness classified, record updated, record updated
Affected products
Technical detail
Weaknesses
Sources
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