{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Lumiverse",
          "vendor": "prolix-oc",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.9.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Lumiverse is a full-featured AI chat application. Prior to 0.9.7, when the primary toSmbPath(fullPath) call throws, the method falls back to a dirname/basename split and only validates the directory prefix. The basename is concatenated directly into the smbclient -c script without validation. smbclient interprets ; as a subcommand separator and !cmd as a local-shell escape that runs cmd on the host. A path whose directory component is clean but whose basename contains \"; !\u003ccmd\u003e; echo \" achieves arbitrary command execution on the Lumiverse server. This vulnerability is fixed in 0.9.7."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-88",
              "description": "CWE-88: Improper Neutralization of Argument Delimiters in a Command (\u0027Argument Injection\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-26T20:00:12.090Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-4v38-9hqq-7j53",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-4v38-9hqq-7j53"
        }
      ],
      "source": {
        "advisory": "GHSA-4v38-9hqq-7j53",
        "discovery": "UNKNOWN"
      },
      "title": "Lumiverse: SMB `exists()` basename injection via smbclient `!cmd` escape"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-44449",
    "datePublished": "2026-05-26T20:00:12.090Z",
    "dateReserved": "2026-05-06T15:49:25.192Z",
    "dateUpdated": "2026-05-26T20:00:12.090Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-44449\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-05-26T21:16:38.037\",\"lastModified\":\"2026-05-26T21:16:38.037\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Lumiverse is a full-featured AI chat application. Prior to 0.9.7, when the primary toSmbPath(fullPath) call throws, the method falls back to a dirname/basename split and only validates the directory prefix. The basename is concatenated directly into the smbclient -c script without validation. smbclient interprets ; as a subcommand separator and !cmd as a local-shell escape that runs cmd on the host. A path whose directory component is clean but whose basename contains \\\"; !\u003ccmd\u003e; echo \\\" achieves arbitrary command execution on the Lumiverse server. This vulnerability is fixed in 0.9.7.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.3,\"impactScore\":6.0}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-88\"}]}],\"references\":[{\"url\":\"https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-4v38-9hqq-7j53\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}