CVE-2025-71389: Improper Control of Generation of Code

Cal.com calcom/cal.diy before 5.9.9 is vulnerable to unauthenticated remote code execution because it bundles a version of Next.js whose React Server Components RSC request handling deserializes attacker-controlled input. A remote attacker can send a crafted RSC request to the server and cause...

CVE-2026-9303

A vulnerability was identified in calcom cal.diy up to 4.9.4. Impacted is an unknown function. The manipulation leads to cross-site request forgery. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this...

CVE-2026-9349

CVE-2026-9349 affects cal.com (cal.diy) up to version 4.9.4, specifically the function getServerSideProps in apps/web/modules/bookings/views/bookings-single-view.getServerSideProps.tsx of the Generic React API. The issue arises from manipulation of the arguments cancelledBy and rescheduledBy, lea...

CVE-2026-9349 calcom cal.diy Generic React API bookings-single-view.getServerSideProps.tsx getServerSideProps information disclosure

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...

CVE-2026-9349: Exposure of Sensitive Information to an Unauthorized Actor

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...

CVE-2026-9303 calcom cal.diy cross-site request forgery

A vulnerability was identified in calcom cal.diy up to 4.9.4. Impacted is an unknown function. The manipulation leads to cross-site request forgery. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this...

CVE-2026-9303

The CVE-2026-9303 entry concerns calcom cal.diy up to version 4.9.4. The vulnerability affects an unknown function and enables cross-site request forgery. It can be triggered remotely, and a public exploit is available. The vendor was contacted but did not respond. No remediation details are prov...

CVE-2026-9303: Cross-Site Request Forgery (CSRF)

A vulnerability was identified in calcom cal.diy up to 4.9.4. Impacted is an unknown function. The manipulation leads to cross-site request forgery. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this...