{"id":"CVE-2026-93903","title":"LiteSpeed Web Server (LSWS) before 6.3.7 build 1 mishandles internal redirect URL validation in a certain \"corner case.\"","summary":"LiteSpeed Web Server (LSWS) before 6.3.7 build 1 mishandles internal redirect URL validation in a certain \"corner case.\"","severity":"critical","cvss":9.4,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","cwe":["CWE-174"],"vendor":"litespeedtech","product":"LiteSpeed Web Server","affected":["litespeed_web_server < 6.3.7 build 1"],"published":"2026-09-30","updated":"2026-09-30","sourceUpdated":"2026-09-30T14:17:37.060","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93903","references":[{"url":"https://docs.litespeedtech.com/lsws/changelog/#v6-3-7-build-1","label":"cve@mitre.org"},{"url":"https://www.litespeedtech.com/products/litespeed-web-server/release-log","label":"cve@mitre.org"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-09-30T14:05:17.363Z","slug":"CVE-2026-93903","body":"## Overview\n\nLiteSpeed Web Server (LSWS) before 6.3.7 build 1 mishandles internal redirect URL validation in a certain \"corner case.\"\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":52,"depthScoreParts":{"impact":51.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}