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CVE-2026-112043: Authorization Bypass in calcom cal.com

0
Medium
VulnerabilityCVE-2026-112043cvecve-2026-112043
Published: 10/19/2026 (10/19/2026, 02:30:14 UTC)
Source: CVE Database V5
Vendor/Project: calcom
Product: cal.com

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.

CVSS v4.0

Score 5.3medium

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Vuln. Confidentiality
Low
Vuln. Integrity
Low
Vuln. Availability
Low
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

Affected software

calcom

cal.com

Affected versions
=6.0=6.1=6.2.0

calcom

cal.diy

Affected versions
=6.0=6.1=6.2.0
CPE configurations (2)
cpe:2.3:a:calcom:cal.com:*:*:*:*:*:*:*:*
cpe:2.3:a:calcom:cal.diy:*:*:*:*:*:*:*:*

Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-10-18T10:43:00.972Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ad585142cdf04f656f6da5e

Added to database: 10/19/2026, 02:48:52 UTC

Last updated: 10/19/2026, 02:48:52 UTC

Views: 1

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