CVE-2026-93903

LiteSpeed Web Server (LSWS) before 6.3.7 build 1 mishandles internal redirect URL validation in a certain "corner case."

  • Published Sep 30, 2026
  • CVSS 9.4 critical
  • 0.3% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-93903 at the National Vulnerability Database