{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-104474", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-02T00:55:58.387Z", "datePublished": "2026-10-02T23:28:45.481Z", "dateUpdated": "2026-10-02T23:28:45.481Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-02T23:28:45.481Z"}, "datePublic": "2026-09-29T00:00:00.000Z", "title": "OpenLiteSpeed before 1.9.3 Local Privilege Escalation via lsup.sh Auto-Update", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Time-of-check Time-of-use (TOCTOU) Race Condition", "cweId": "CWE-367", "type": "CWE"}]}], "affected": [{"vendor": "litespeedtech", "product": "openlitespeed", "packageURL": "pkg:github/litespeedtech/openlitespeed", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "1.9.3", "status": "affected", "versionType": "semver"}, {"version": "1.9.3", "status": "unaffected", "versionType": "semver"}], "repo": "https://github.com/litespeedtech/openlitespeed"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:litespeedtech:openlitespeed:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.9.3"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "LOCAL", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://openlitespeed.org/release-log/version-1-9-x/", "tags": ["vendor-advisory"], "name": "OpenLiteSpeed Version 1.9.x Release Log"}, {"url": "https://github.com/litespeedtech/openlitespeed/commit/468523ce84388cea9ba6633c26517bc05b3e2bc1", "tags": ["patch"]}, {"url": "https://github.com/litespeedtech/openlitespeed/blob/v1.9.2/dist/admin/misc/lsup.sh#L538", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: OpenLiteSpeed before 1.9.3 Local Privilege Escalation via lsup.sh Auto-Update", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/openlitespeed-before-1.9.3-local-privilege-escalation-via-lsup-sh-auto-update"}], "credits": [{"lang": "en", "value": "FCI Cloud Security", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:github/litespeedtech/openlitespeed", "product": "openlitespeed", "repo": "https://github.com/litespeedtech/openlitespeed", "vendor": "litespeedtech", "versions": [{"lessThan": "1.9.3", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "1.9.3", "versionType": "semver"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-104474", "lastModified": "2026-10-03T00:16:35.413", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-10-03T00:16:35.413", "references": [{"source": "[email protected]", "url": "https://github.com/litespeedtech/openlitespeed/blob/v1.9.2/dist/admin/misc/lsup.sh#L538"}, {"source": "[email protected]", "url": "https://github.com/litespeedtech/openlitespeed/commit/468523ce84388cea9ba6633c26517bc05b3e2bc1"}, {"source": "[email protected]", "url": "https://openlitespeed.org/release-log/version-1-9-x/"}, {"source": "[email protected]", "url": "https://www.vulncheck.com/advisories/openlitespeed-before-1.9.3-local-privilege-escalation-via-lsup-sh-auto-update"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "[email protected]", "type": "Primary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.9.3)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "1.9.3"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "openlitespeed", "source": "cna", "vendor": "litespeedtech"}, "product": "openlitespeed", "vendor": "litespeedtech"}], "created": "2026-10-03T00:30:18.548516+00:00", "updated": "2026-10-03T00:30:19.410732+00:00", "vendors": ["litespeedtech", "litespeedtech$PRODUCT$openlitespeed"]}