{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71243","assignerOrgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","state":"PUBLISHED","assignerShortName":"TuranSec","dateReserved":"2026-08-05T10:53:53.176Z","datePublished":"2026-08-05T10:56:48.404Z","dateUpdated":"2026-08-10T11:45:52.605Z"},"containers":{"cna":{"title":"backmeup (npm) - OS Command Injection via Backup Option Values","descriptions":[{"lang":"en","value":"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.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>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.</p>"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-78 OS Command Injection","cweId":"CWE-78","type":"CWE"}]}],"affected":[{"vendor":"adaltas","product":"backmeup","programFiles":["src/index.coffee.md"],"versions":[{"version":"0","lessThanOrEqual":"0.0.2","versionType":"custom","status":"affected"}],"defaultStatus":"unknown"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"references":[{"url":"https://github.com/adaltas/node-backmeup","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Timur Juraev","type":"finder"}],"providerMetadata":{"orgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","shortName":"TuranSec","dateUpdated":"2026-08-10T11:45:52.605Z"},"source":{"discovery":"EXTERNAL"},"datePublic":"2026-08-05T10:56:48.404Z"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T12:50:47.755055Z","id":"CVE-2026-71243","options":[{"Exploitation":"none"},{"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":"2026-08-05T12:50:55.058Z"}}]}}