{"api_version":"1","generated_at":"2026-07-23T12:08:19+00:00","cve":"CVE-2026-16624","urls":{"html":"https://cve.report/CVE-2026-16624","api":"https://cve.report/api/cve/CVE-2026-16624.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-16624","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-16624"},"summary":{"title":"CVE-2026-16624","description":"Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords, by triggering webhook delivery.","state":"PUBLISHED","assigner":"certcc","published_at":"2026-07-22 19:16:58","updated_at":"2026-07-22 19:16:58"},"problem_types":["CWE-639 Authorization Bypass Through User-Controlled Key"],"metrics":[],"references":[{"url":"https://github.com/calcom/cal.diy/security/advisories/GHSA-4fwh-xxpv-xfm6","name":"https://github.com/calcom/cal.diy/security/advisories/GHSA-4fwh-xxpv-xfm6","refsource":"cret@cert.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://vokecyber.com/research/calcom-cross-tenant-webhook-plant","name":"https://vokecyber.com/research/calcom-cross-tenant-webhook-plant","refsource":"cret@cert.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-16624","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16624","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Cal.com","product":"Cal.diy","version":"affected 6.2.0 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"product":"Cal.diy","vendor":"Cal.com","versions":[{"lessThan":"6.2.0","status":"affected","version":"0","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords, by triggering webhook delivery."}],"problemTypes":[{"descriptions":[{"description":"CWE-639 Authorization Bypass Through User-Controlled Key","lang":"en"}]}],"providerMetadata":{"dateUpdated":"2026-07-22T18:31:30.694Z","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","shortName":"certcc"},"references":[{"url":"https://github.com/calcom/cal.diy/security/advisories/GHSA-4fwh-xxpv-xfm6"},{"url":"https://vokecyber.com/research/calcom-cross-tenant-webhook-plant"}],"source":{"discovery":"UNKNOWN"},"title":"CVE-2026-16624","x_generator":{"engine":"VINCE 3.0.43","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-16624"}}},"cveMetadata":{"assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","assignerShortName":"certcc","cveId":"CVE-2026-16624","datePublished":"2026-07-22T18:31:20.732Z","dateReserved":"2026-07-22T15:02:38.700Z","dateUpdated":"2026-07-22T18:31:30.694Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-22 19:16:58","lastModifiedDate":"2026-07-22 19:16:58","problem_types":["CWE-639 Authorization Bypass Through User-Controlled Key"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"16624","Ordinal":"1","Title":"CVE-2026-16624","CVE":"CVE-2026-16624","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"16624","Ordinal":"1","NoteData":"Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords, by triggering webhook delivery.","Type":"Description","Title":"CVE-2026-16624"}]}}}