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.
CVSS 9.6EPSS 0.281%Risk 0.98
View source- Published
- 2026-07-22 19:16:58
- Affected versions
- unknown
- Type
- Web application
- Last modified
- 2026-07-27 18:16:52
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N