Description
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 disclosure but did not respond in any way.
References (6)
Core 6
Core References
Vdb Entry vdb-entry
VDB-365250 | calcom cal.diy cross-site request forgery
https://vuldb.com/vuln/365250
Signature, Permissions Required signature
permissions-required
VDB-365250 | CTI Indicators (IOB, IOC)
https://vuldb.com/vuln/365250/cti
Third Party Advisory third-party-advisory
Submit #812173 | cal.com <= v4.9.4 Cross-Site Request Forgery (CWE-352)
https://vuldb.com/submit/812173
Third Party Advisory third-party-advisory
Submit #812175 | cal.com <= v4.9.4 Cross-Site Request Forgery (CWE-352) (Duplicate)
https://vuldb.com/submit/812175
Scores
CVSS v3
4.3
EPSS
0.0019
EPSS Percentile
8.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-352
CWE-862
Status
published
Products (5)
calcom/cal.diy
4.9.0
calcom/cal.diy
4.9.1
calcom/cal.diy
4.9.2
calcom/cal.diy
4.9.3
calcom/cal.diy
4.9.4
Published
May 23, 2026
Tracked Since
May 23, 2026