CVE-2026-112043

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.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

CVSS 3.1

6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-25)

CWEs

CWE-285, CWE-639

Published

2026-10-19

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

References

• https://github.com/calcom/cal.diy/issues/29982
• https://github.com/calcom/cal.diy/pull/30223
• https://vuldb.com/cve/CVE-2026-112043
• https://vuldb.com/submit/1009017
• https://vuldb.com/vuln/421691

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