CVE-2026-9349

Summary

A vulnerability was determined in calcom cal.diy up to 4.9.4. Affected by this issue is the function getServerSideProps of the file apps/web/modules/bookings/views/bookings-single-view.getServerSideProps.tsx of the component Generic React API. This manipulation of the argument cancelledBy/rescheduledBy causes information disclosure. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

VendorProductVersion RangeStatus
calcomcal.diy4.9.0affected
calcomcal.diy4.9.1affected
calcomcal.diy4.9.2affected
calcomcal.diy4.9.3affected
calcomcal.diy4.9.4affected

Weaknesses

  • CWE-200: Information Disclosure
  • CWE-284: Improper Access Controls

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: yes
    • Technical Impact: partial

References