{"id":"CVE-2026-71284","state":"PUBLISHED","title":"Fledge IoT Gateway Backup Restore OS Command Injection via Tar Member Filename","description":"Fledge's backup-restore upload handler, upload_backup (python/fledge/services/core/api/backup_restore.py), takes the first extracted tar member's filename (tar_file_names[0]) and builds a shell command via string formatting. Because os.system invokes a shell and no quoting (shlex.quote, list-form subprocess) is applied, an admin uploading a crafted backup archive achieves arbitrary OS command execution.","publishedAt":"2026-08-05T12:26:30.030Z","updatedAt":"2026-08-10T11:47:10.756Z","severity":{"score":7.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","source":"TuranSec"},"assigner":"TuranSec","products":["fledge-iot fledge"],"affected":[{"vendor":"fledge-iot","product":"fledge","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.1.0","versionType":"semver"}],"programFiles":["python/fledge/services/core/api/backup_restore.py"]}],"references":["https://github.com/fledge-iot/fledge","https://github.com/fledge-iot/fledge/blob/main/python/fledge/services/core/api/backup_restore.py"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/71xxx/CVE-2026-71284.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-71284","state":"PUBLISHED","datePublished":"2026-08-05T12:26:30.030Z","dateUpdated":"2026-08-10T11:47:10.756Z","assignerShortName":"TuranSec","assignerOrgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","dateReserved":"2026-08-05T12:23:34.968Z"},"containers":{"cna":{"title":"Fledge IoT Gateway Backup Restore OS Command Injection via Tar Member Filename","descriptions":[{"lang":"en","value":"Fledge's backup-restore upload handler, upload_backup (python/fledge/services/core/api/backup_restore.py), takes the first extracted tar member's filename (tar_file_names[0]) and builds a shell command via string formatting. Because os.system invokes a shell and no quoting (shlex.quote, list-form subprocess) is applied, an admin uploading a crafted backup archive achieves arbitrary OS command execution."}],"affected":[{"vendor":"fledge-iot","product":"fledge","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.1.0","versionType":"semver"}],"programFiles":["python/fledge/services/core/api/backup_restore.py"]}],"references":[{"url":"https://github.com/fledge-iot/fledge","tags":["third-party-advisory"]},{"url":"https://github.com/fledge-iot/fledge/blob/main/python/fledge/services/core/api/backup_restore.py","tags":["third-party-advisory"]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78","type":"CWE"}]}],"providerMetadata":{"shortName":"TuranSec","orgId":"309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c","dateUpdated":"2026-08-10T11:47:10.756Z"},"credits":[{"lang":"en","value":"Alibek Baxtiyorov","type":"finder"}],"source":{"discovery":"EXTERNAL"},"datePublic":"2026-08-05T12:26:30.030Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-05T15:52:35.521988Z","id":"CVE-2026-71284","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-05T15:52:42.370Z"}}]}}}