{ "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": "2026-10-05T14:50:08.677Z" }, "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" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-05T14:49:56.895962Z", "id": "CVE-2026-104474", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-05T14:50:08.677Z" } } ] } }