Is CVE-2026-9349 actively exploited?

No active exploitation of CVE-2026-9349 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-9349 be exploited remotely?

Yes. CVE-2026-9349 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-9349?

CVE-2026-9349 has a CVSS score of 5.3 (MEDIUM).

HOME VULNERABILITIESCVE-2026-9349

MEDIUM

CVE-2026-9349

CWE-200Published: May 24, 2026· Updated: May 26, 2026

5.3

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.9th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-9349 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.