{"schema":"threatline.record/2","record":{"id":"CVE-2026-104474","aliases":[],"summary":"OpenLiteSpeed before 1.9.3 Local Privilege Escalation via lsup.sh Auto-Update","details":"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 the package in /usr/local/lsws/autoupdate/ before extraction, so its install.sh runs as root on the next update.","categories":["Unclassified"],"product":"openlitespeed","vendor":"litespeedtech","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-104474","source_modified_at":"2026-10-05T14:50:08.677Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"openlitespeed","vendor":"litespeedtech","versions":[{"version":"0","lessThan":"1.9.3","status":"affected","versionType":"semver"},{"version":"1.9.3","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-104474","source_modified_at":"2026-10-05T14:50:08.677Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"openlitespeed","ecosystem":null},"version":"1.9.3","basis":"first unaffected version stated in the CVE record"}],"cvss":5.4,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00085,"percentile":0.00266,"score_date":"2026-10-23"},"published_at":"2026-10-02T23:28:45.481Z","modified_at":"2026-10-05T14:50:08.677Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-104474","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-05T14:50:08.677Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-104474","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://openlitespeed.org/release-log/version-1-9-x/","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://github.com/litespeedtech/openlitespeed/commit/468523ce84388cea9ba6633c26517bc05b3e2bc1","tags":["patch"]},{"source":"CVE List","url":"https://github.com/litespeedtech/openlitespeed/blob/v1.9.2/dist/admin/misc/lsup.sh#L538","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/openlitespeed-before-1.9.3-local-privilege-escalation-via-lsup-sh-auto-update","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-05T14:49:56.895962Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-05T14:50:08.677Z","content_hash":"60538bf837e21d99e61ad98443220cd91fd21c953cd757a91f5efa93e64ce554"}}