CVE-2026-112043
Medium
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.
SeverityMedium
CVSS6.3
Exploit probability—
Product
Calcom Cal.com
PublishedOct 19, 2026
First seenOct 19, 2026
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| calcom cal.com | 6.0, 6.1, 6.2.0 | — |
| calcom cal.diy | 6.0, 6.1, 6.2.0 | — |
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