{"id":"CVE-2026-71283","aliases":["EUVD-2026-53368","GHSA-qc6r-chrx-m659"],"status":"published","title":"Fledge IoT Gateway Backup Restore Tar Path Traversal","description":"Fledge's backup-restore upload handler, upload_backup (python/fledge/services/core/api/backup_restore.py), calls tarfile.extractall(temp_path) on an admin-uploaded tar archive with no filter argument and no per-member path validation. Requires the admin role (@has_permission(\"admin\")).","severity":{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-07","score":0.00434,"percentile":0.37888,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2026-08-05T12:26:29Z","modified":"2026-10-28T02:30:24Z","products":[{"vendor":"fledge-iot","product":"fledge"}],"references":[{"url":"https://github.com/fledge-iot/fledge","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/fledge-iot/fledge/blob/main/python/fledge/services/core/api/backup_restore.py","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71283","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-qc6r-chrx-m659"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71283.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-71283","title":"Fledge IoT Gateway Backup Restore Tar Path Traversal","description":"Fledge's backup-restore upload handler, upload_backup (python/fledge/services/core/api/backup_restore.py), calls tarfile.extractall(temp_path) on an admin-uploaded tar archive with no filter argument and no per-member path validation. Requires the admin role (@has_permission(\"admin\")).","status":"published","published":"2026-08-05T12:26:29.146Z","modified":"2026-08-10T11:47:08.697Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:19:49.559463Z"}],"euvd":[{"id":"EUVD-2026-53368","description":"Fledge's backup-restore upload handler, upload_backup (python/fledge/services/core/api/backup_restore.py), calls tarfile.extractall(temp_path) on an admin-uploaded tar archive with no filter argument and no per-member path validation. Requires the admin role (@has_permission(\"admin\")).","status":"published","published":"2026-08-05T12:26:29Z","modified":"2026-08-10T11:47:08Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:05.732685Z"}],"ghsa":[{"id":"GHSA-qc6r-chrx-m659","title":"Fledge's backup-restore upload handler, upload_backup() (python/fledge/services/core/api...","description":"Fledge's backup-restore upload handler, upload_backup() (python/fledge/services/core/api/backup_restore.py), calls tarfile.extractall(temp_path) on an admin-uploaded tar archive with no filter argument and no per-member path validation. A crafted tar archive containing member names with `../` path components extracts files outside the intended temporary directory, allowing arbitrary file writes anywhere on the filesystem reachable by the Fledge process. Requires the admin role (@has_permission(\"admin\")).","status":"published","published":"2026-08-05T15:32:21Z","modified":"2026-08-05T15:32:29Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:10:07.328501Z"}],"nvd":[{"id":"CVE-2026-71283","description":"Fledge's backup-restore upload handler, upload_backup (python/fledge/services/core/api/backup_restore.py), calls tarfile.extractall(temp_path) on an admin-uploaded tar archive with no filter argument and no per-member path validation. Requires the admin role (@has_permission(\"admin\")).","status":"published","published":"2026-08-05T13:24:52.97Z","modified":"2026-10-23T21:10:00.157Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:12:35.031043Z"}],"osv":[{"id":"CVE-2026-71283","title":"Fledge IoT Gateway Backup Restore Tar Path Traversal","description":"Fledge's backup-restore upload handler, upload_backup (python/fledge/services/core/api/backup_restore.py), calls tarfile.extractall(temp_path) on an admin-uploaded tar archive with no filter argument and no per-member path validation. Requires the admin role (@has_permission(\"admin\")).","status":"published","published":"2026-08-05T12:26:29.146Z","modified":"2026-10-28T02:30:24.565304861Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:45:15.164658Z"}]}}