{"id":"CVE-2026-71243","summary":"backmeup (npm) - OS Command Injection via Backup Option Values","details":"The backmeup npm package assembles shell command strings by directly concatenating its option values (name, source, destination, filter) - e.g. cmd = \"mkdir -p \" + path.join(info.destination, info.name) + \"; \" - and executes the resulting string through a shell via ssh2-exec (locally via child_process, or remotely via SSH when an ssh handle is supplied), rather than using execFile/spawn with an argument array.","modified":"2026-08-28T11:30:24.969131282Z","published":"2026-08-05T10:56:48.404Z","database_specific":{"cwe_ids":["CWE-78"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71243.json","cna_assigner":"TuranSec"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71243.json"},{"type":"ADVISORY","url":"https://github.com/adaltas/node-backmeup"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71243"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/adaltas/node-backmeup","events":[{"introduced":"0"},{"last_affected":"db4d5572b23ab06c2ba564d48cdeca282e9d3fd5"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"0.0.2"}],"source":"AFFECTED_FIELD"}}],"versions":["v0.0.2","v0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-71243.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}