{"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":"2026-05-27T13:22:34.992Z"},"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"}},"adp":[{"references":[{"url":"https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-4v38-9hqq-7j53","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-27T13:22:29.674327Z","id":"CVE-2026-44449","options":[{"Exploitation":"poc"},{"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":"2026-05-27T13:22:34.992Z"}}]}}