{"id":"CVE-2026-104474","title":"OpenLiteSpeed before 1.9.3 contains a local privilege escalation vulnerability in admin/misc/lsup.sh that runs unverified update packages from a nobody-writable directory as root","summary":"OpenLiteSpeed before 1.9.3 contains a local privilege escalation vulnerability in admin/misc/lsup.sh that runs unverified update packages from a nobody-writable directory as root. Attackers controlling the nobody web process can replace …","severity":"medium","cvss":6.7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-367"],"vendor":"litespeedtech","product":"openlitespeed","affected":["openlitespeed < 1.9.3"],"published":"2026-10-03","updated":"2026-10-03","sourceUpdated":"2026-10-03T00:16:35.413","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-104474","references":[{"url":"https://github.com/litespeedtech/openlitespeed/blob/v1.9.2/dist/admin/misc/lsup.sh#L538","label":"disclosure@vulncheck.com"},{"url":"https://github.com/litespeedtech/openlitespeed/commit/468523ce84388cea9ba6633c26517bc05b3e2bc1","label":"disclosure@vulncheck.com"},{"url":"https://openlitespeed.org/release-log/version-1-9-x/","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/openlitespeed-before-1.9.3-local-privilege-escalation-via-lsup-sh-auto-update","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-02T23:34:57.410Z","slug":"CVE-2026-104474","body":"## Overview\n\nOpenLiteSpeed before 1.9.3 contains a local privilege escalation vulnerability in admin/misc/lsup.sh that runs unverified update packages from a nobody-writable directory as root. Attackers controlling the nobody web process can replace the package in /usr/local/lsws/autoupdate/ before extraction, so its install.sh runs as root on the next update.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":36.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}