{"id":"CVE-2026-21668","aliases":["EUVD-2026-11577","GHSA-cmc9-h7g2-jqff"],"status":"published","title":"A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate...","description":"A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00594,"percentile":0.48735,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-693","CWE-862"],"published":"2026-03-12T15:09:39Z","modified":"2026-06-17T10:18:53Z","products":[{"vendor":"veeam","product":"backup and replication"},{"vendor":"veeam","product":"veeam_backup_\\\u0026_replication"}],"references":[{"url":"https://www.veeam.com/kb4830","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21668"},{"url":"https://github.com/advisories/GHSA-cmc9-h7g2-jqff"}],"sources":{"cve":[{"id":"CVE-2026-21668","description":"A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.","status":"published","published":"2026-03-12T15:09:39.335Z","modified":"2026-05-10T13:33:44.706Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-11577","description":"A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.","status":"published","published":"2026-03-12T15:09:39Z","modified":"2026-05-10T13:33:44Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:05:13.690762Z"}],"ghsa":[{"id":"GHSA-cmc9-h7g2-jqff","title":"A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate...","description":"A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.","status":"published","published":"2026-03-12T15:30:26Z","modified":"2026-05-10T15:31:16Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-693","CWE-862"],"updated_at":"2026-11-02T15:07:58.197878Z"}],"nvd":[{"id":"CVE-2026-21668","description":"A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.","status":"published","published":"2026-03-12T15:16:13.26Z","modified":"2026-06-17T10:18:53.573Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-862","CWE-693"],"updated_at":"2026-11-02T14:12:09.358914Z"}]}}