CVE-2026-104054

Medium

Description

A security flaw has been discovered in calcom cal.diy up to 6.2.0. This affects the function doesUserIdHaveAccessToBooking of the file BookingAccessService.ts of the component PBAC Permission Engine. Performing a manipulation results in missing authorization. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The pull request to fix this issue awaits acceptance.

SeverityMedium

CVSS6.3

Exploit probability—

ProductCalcom Cal.diy

PublishedOct 2, 2026

First seenOct 2, 2026

Weakness typeCWE-862Missing authorization CWE-863Incorrect authorization

How to fix

Patches

github.com/calcom/cal.diy/pull/30253

Affected products

Product	Affected versions	Fixed in
calcom cal.diy	6.0, 6.1, 6.2.0	—

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