{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-29200", "assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "state": "PUBLISHED", "assignerShortName": "hackerone", "dateReserved": "2026-03-04T15:00:09.266Z", "datePublished": "2026-05-04T05:42:15.576Z", "dateUpdated": "2026-05-04T05:42:15.576Z"}, "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": [{"defaultStatus": "unaffected", "vendor": "WebPros", "product": "Comet Backup", "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": [{"type": "CWE", "lang": "en", "cweId": "CWE-639", "description": "CWE-639 Insecure Direct Object Reference (IDOR)"}]}], "providerMetadata": {"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1", "shortName": "hackerone", "dateUpdated": "2026-05-04T05:42:15.576Z"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-29200", "lastModified": "2026-05-04T07:16:00.100", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "support@hackerone.com", "type": "Secondary"}]}, "published": "2026-05-04T07:16:00.100", "references": [{"source": "support@hackerone.com", "url": "https://support.cometbackup.com/hc/en-us/articles/40090945484823--CVE-2026-29200-%D0%A1ritical-IDOR-vulnerability-in-Comet-Backup"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "support@hackerone.com", "type": "Secondary"}]}

{}

{"created": "2026-05-04T07:30:40.195061+00:00", "title": "Critical IDOR in Comet Backup Enables Tenant Admin Impersonation", "updated": "2026-05-04T07:30:40.195073+00:00", "vendors": []}