{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44449", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-06T15:49:25.192Z", "datePublished": "2026-05-26T20:00:12.090Z", "dateUpdated": "2026-05-26T20:00:12.090Z"}, "containers": {"cna": {"title": "Lumiverse: SMB `exists()` basename injection via smbclient `!cmd` escape", "problemTypes": [{"descriptions": [{"cweId": "CWE-88", "lang": "en", "description": "CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')", "type": "CWE"}]}], "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"}}], "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"}], "affected": [{"vendor": "prolix-oc", "product": "Lumiverse", "versions": [{"version": "< 0.9.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-26T20:00:12.090Z"}, "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 \"; !<cmd>; echo \" achieves arbitrary command execution on the Lumiverse server. This vulnerability is fixed in 0.9.7."}], "source": {"advisory": "GHSA-4v38-9hqq-7j53", "discovery": "UNKNOWN"}}}}

{}

{"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 \"; !<cmd>; echo \" achieves arbitrary command execution on the Lumiverse server. This vulnerability is fixed in 0.9.7."}], "id": "CVE-2026-44449", "lastModified": "2026-05-26T21:16:38.037", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-05-26T21:16:38.037", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-4v38-9hqq-7j53"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-88"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}