{"id":"CVE-2026-44449","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-44449","generatedAt":"2026-10-28T03:26:33.650Z","title":"A path whose directory component is clean but whose basename contains \"; !<cmd>; echo \" achieves arbitrary command execution on the Lumiverse server.","description":"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.","published":"2026-05-26T21:16:38.000Z","lastModified":"2026-07-24T11:10:00.000Z","status":"Deferred","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-88"],"affected":[],"epss":{"score":0.00451,"percentile":0.38948,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-4v38-9hqq-7j53","source":"security-advisories@github.com"},{"url":"https://github.com/prolix-oc/Lumiverse/security/advisories/GHSA-4v38-9hqq-7j53","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-44449","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}