{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.9.3"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "bf584c1b7cd6edd5dacfffaad477bcb67d65d732"
            },
            {
              "fixed": "468523ce84388cea9ba6633c26517bc05b3e2bc1"
            }
          ],
          "repo": "https://github.com/litespeedtech/openlitespeed",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-367"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104474.json"
  },
  "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.",
  "id": "CVE-2026-104474",
  "modified": "2026-10-04T02:30:46.832820995Z",
  "published": "2026-10-02T23:28:45.481Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104474.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-104474"
    },
    {
      "type": "ADVISORY",
      "url": "https://openlitespeed.org/release-log/version-1-9-x/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/openlitespeed-before-1.9.3-local-privilege-escalation-via-lsup-sh-auto-update"
    },
    {
      "type": "FIX",
      "url": "https://github.com/litespeedtech/openlitespeed/commit/468523ce84388cea9ba6633c26517bc05b3e2bc1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/litespeedtech/openlitespeed"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/litespeedtech/openlitespeed/blob/v1.9.2/dist/admin/misc/lsup.sh#L538"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenLiteSpeed before 1.9.3 Local Privilege Escalation via lsup.sh Auto-Update"
}