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 disclosure but did not respond in any way.

CVSS v3 4.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://gist.github.com/YLChen-007/26663d9558e15994176dc420d2e11d48
https://gist.github.com/YLChen-007/dafada36e356bc895b09829d8ec57e49
https://vuldb.com/submit/812173
https://vuldb.com/submit/812175
https://vuldb.com/vuln/365250
https://vuldb.com/vuln/365250/cti

Configurations

No configuration.

History

23 May 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-23 14:16

Updated : 2026-05-26 19:37

NVD link : CVE-2026-9303

Mitre link : CVE-2026-9303

CVE.ORG link : CVE-2026-9303

JSON object : View

Products Affected

No product.

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

CWE-862

Missing Authorization

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