{"id":"CVE-2026-29200","state":"PUBLISHED","title":"A critical IDOR vulnerability has been discovered in Comet Backup affecting all versions from 20.11.0 to 26.1.1 and 26.2.1. The vulnerability allows a tenant administrator to imper","description":"A critical IDOR vulnerability has been discovered in Comet Backup affecting all versions from 20.11.0 to 26.1.1 and 26.2.1. The vulnerability allows a tenant administrator to impersonate any end-user account of other tenants on the same server via a vulnerable API call.","publishedAt":"2026-05-04T05:42:15.576Z","updatedAt":"2026-05-04T19:44:22.056Z","severity":{"score":9.9,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:H","source":"hackerone"},"assigner":"hackerone","products":["WebPros Comet Backup"],"affected":[{"vendor":"WebPros","product":"Comet Backup","defaultStatus":"unaffected","versions":[{"version":"20.11.0","status":"affected","lessThan":"26.1.2","versionType":"semver"},{"version":"26.2.0","status":"affected","lessThan":"26.2.2","versionType":"semver"}]}],"references":["https://support.cometbackup.com/hc/en-us/articles/40090945484823--CVE-2026-29200-%D0%A1ritical-IDOR-vulnerability-in-Comet-Backup"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/29xxx/CVE-2026-29200.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-29200","state":"PUBLISHED","datePublished":"2026-05-04T05:42:15.576Z","dateUpdated":"2026-05-04T19:44:22.056Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2026-03-04T15:00:09.266Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A critical IDOR vulnerability has been discovered in Comet Backup affecting all versions from 20.11.0 to 26.1.1 and 26.2.1. The vulnerability allows a tenant administrator to impersonate any end-user account of other tenants on the same server via a vulnerable API call."}],"affected":[{"vendor":"WebPros","product":"Comet Backup","defaultStatus":"unaffected","versions":[{"version":"20.11.0","status":"affected","lessThan":"26.1.2","versionType":"semver"},{"version":"26.2.0","status":"affected","lessThan":"26.2.2","versionType":"semver"}]}],"references":[{"url":"https://support.cometbackup.com/hc/en-us/articles/40090945484823--CVE-2026-29200-%D0%A1ritical-IDOR-vulnerability-in-Comet-Backup"}],"metrics":[{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:H","baseScore":9.9,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","type":"CWE","lang":"en","description":"CWE-639 Insecure Direct Object Reference (IDOR)"}]}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2026-05-04T05:42:15.576Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-04T19:44:00.939292Z","id":"CVE-2026-29200","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-04T19:44:22.056Z"}}]}}}