Description
A weakness has been identified in calcom cal.com and cal.diy up to 6.2.0. Impacted is the function createWebhookProcedure of the file packages/trpc/server/routers/viewer/webhook/util.ts of the component Webhook Handler. Executing a manipulation of the argument ID can lead to authorization bypass. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| calcom | cal.com | 6.0, 6.1, 6.2.0 | — |
| calcom | cal.diy | 6.0, 6.1, 6.2.0 | — |
References
- VDB-421691 | calcom cal.com/cal.diy Webhook util.ts createWebhookProcedure authorization vdb-entry technical-description
- VDB-421691 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-112043 | CVE Analysis and Report third-party-advisory
- Submit #1009017 | https://github.com/calcom/ cal.diy a46d5f8dd4a9e5a821c7c7f54ef5d2e5999e445d Authorization Bypass third-party-advisory
- https://github.com/calcom/cal.diy/issues/29982 issue-tracking
- https://github.com/calcom/cal.diy/pull/30223 issue-tracking patch