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.
Metrics
Affected Vendors & Products
References
History
Mon, 27 Jul 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-639 | |
| Metrics |
cvssV3_1
|
Thu, 23 Jul 2026 21:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-20 CWE-284 |
Wed, 22 Jul 2026 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | CVE-2026-16624 | |
| References |
|
Status: PUBLISHED
Assigner: certcc
Published: 2026-07-22T18:31:20.732Z
Updated: 2026-07-27T17:10:37.711Z
Reserved: 2026-07-22T15:02:38.700Z
Link: CVE-2026-16624
Updated: 2026-07-27T17:07:49.648Z
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