{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-16624", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-07-22T15:02:38.700Z", "datePublished": "2026-07-22T18:31:20.732Z", "dateUpdated": "2026-07-27T17:10:37.711Z" }, "containers": { "cna": { "title": "CVE-2026-16624", "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." } ], "source": { "discovery": "UNKNOWN" }, "affected": [ { "vendor": "Cal.com", "product": "Cal.diy", "versions": [ { "status": "affected", "version": "0", "lessThan": "6.2.0", "versionType": "custom" } ] } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-639 Authorization Bypass Through User-Controlled Key" } ] } ], "references": [ { "url": "https://github.com/calcom/cal.diy/security/advisories/GHSA-4fwh-xxpv-xfm6" }, { "url": "https://vokecyber.com/research/calcom-cross-tenant-webhook-plant" } ], "x_generator": { "engine": "VINCE 3.0.43", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-16624" }, "providerMetadata": { "orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-07-22T18:31:30.694Z" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-639", "lang": "en", "description": "CWE-639 Authorization Bypass Through User-Controlled Key" } ] } ], "references": [ { "url": "https://vokecyber.com/research/calcom-cross-tenant-webhook-plant", "tags": [ "exploit" ] } ], "metrics": [ { "cvssV3_1": { "scope": "CHANGED", "version": "3.1", "baseScore": 9.6, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-07-27T17:09:33.166013Z", "id": "CVE-2026-16624", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-27T17:10:37.711Z" } } ] } }