{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-10-17T16:19:18.262","vulnerabilities":[{"cve":{"id":"CVE-2026-71279","sourceIdentifier":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","published":"2026-08-05T13:24:52.437","lastModified":"2026-08-26T17:13:24.800","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"Zigbee2MQTT's ExternalJSExtension.getFilePath (lib/extension/externalJS.ts) joins a parameter received via an MQTT message (topic zigbee2mqtt/bridge/request/extension/save) into the extensions base path using path.join(basePath, name) with no sanitization. The extension handler only validates that the name ends in .js/.mjs/.cjs, writes the file, and then dynamically imports it via Node.js import, achieving remote code execution."}],"affected":[{"source":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","affectedData":[{"vendor":"Koenkk","product":"zigbee2mqtt","defaultStatus":"unaffected","programFiles":["lib/extension/externalJS.ts"],"versions":[{"version":"0","lessThanOrEqual":"2.12.0","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.0,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.1,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-08-05T15:55:04.507481Z","id":"CVE-2026-71279","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","type":"Secondary","description":[{"lang":"en","value":"CWE-22"}]}],"references":[{"url":"https://github.com/Koenkk/zigbee2mqtt","source":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"},{"url":"https://github.com/Koenkk/zigbee2mqtt/blob/master/lib/extension/externalJS.ts","source":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"}]}}]}