CVE-2026-16624: Cal.diy 0 to before 6.2.0

CVE-2026-16624. CVSS 3.1 base score 9.6 (CRITICAL, Source advisory). EPSS 0.00395 (percentile 0.32557), scored 22-Oct-2026.

Affected technology

Cal.diy · 0 to before 6.2.0
Cal.com

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Any authenticated user can create a webhook on any team via unvalidated teamId injection, then steal booking data, including fields like organizer/attendee emails and custom responses, and conditionally video-call passwords, by triggering webhook delivery. Source advisory’s CVSS 3.1 assessment (base score 9.6/10) rates confidentiality and integrity impact as high; availability impact as none.

Published 24-Oct-2026 15:08 UTC

CWE: CWE-639
CCR priority: 38.5 /100 (P4)
CVSS 3.1: 9.6 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N · Source advisory
EPSS: 0.00395 · percentile 0.32598 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-16624.html