{"id":"CVE-2026-21668","state":"PUBLISHED","title":"A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.","description":"A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository.","publishedAt":"2026-03-12T15:09:39.335Z","updatedAt":"2026-05-10T13:33:44.706Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"hackerone"},"assigner":"hackerone","products":["Veeam Backup and Replication"],"affected":[{"vendor":"Veeam","product":"Backup and Replication","defaultStatus":"unaffected","versions":[{"version":"12.3.2","status":"affected","lessThan":"12.3.2","versionType":"semver"}]}],"references":["https://www.veeam.com/kb4830"],"weaknesses":["CWE-693"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/21xxx/CVE-2026-21668.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21668","state":"PUBLISHED","datePublished":"2026-03-12T15:09:39.335Z","dateUpdated":"2026-05-10T13:33:44.706Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2026-01-02T15:00:02.871Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability allowing an authenticated domain user to bypass restrictions and manipulate arbitrary files on a Backup Repository."}],"affected":[{"vendor":"Veeam","product":"Backup and Replication","defaultStatus":"unaffected","versions":[{"version":"12.3.2","status":"affected","lessThan":"12.3.2","versionType":"semver"}]}],"references":[{"url":"https://www.veeam.com/kb4830"}],"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"}}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2026-03-12T15:09:39.335Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-13T03:55:45.731995Z","id":"CVE-2026-21668","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-693","type":"CWE","lang":"en","description":"CWE-693 Protection Mechanism Failure"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-10T13:33:44.706Z"}}]}}}