CVE-2026-9349

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.

• CWE-200
• CWE-284

• https://gist.github.com/YLChen-007/b59c44d1550c4b0f373ca4eb1c150994
• https://vuldb.com/submit/812177
• https://vuldb.com/vuln/365312
• https://vuldb.com/vuln/365312/cti

Published

May 24, 2026

Last Modified

Jul 23, 2026

Status

Deferred

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