CVE-2026-16624 (GCVE-0-2026-16624)
Vulnerability from cvelistv5 – Published: 2026-07-22 18:31 – Updated: 2026-07-27 17:10
VLAI
EPSS
VEX
Title
CVE-2026-16624
Summary
Cal.com OSS ships lacks authorization on webhook teamId creation, allowing any authenticated user to 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.
Severity
9.6 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-27 17:09 UTC
CWE
- CWE-639 Authorization Bypass Through User-Controlled Key
- CWE-639 - Authorization Bypass Through User-Controlled Key
Assigner
References
Impacted products
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Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.