CVE-2026-9303

medium

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

https://vuldb.com/vuln/365250/cti

https://vuldb.com/vuln/365250

https://vuldb.com/submit/812175

https://vuldb.com/submit/812173

https://gist.github.com/YLChen-007/dafada36e356bc895b09829d8ec57e49

https://gist.github.com/YLChen-007/26663d9558e15994176dc420d2e11d48

Details

Source: Mitre, NVD

Published: 2026-05-23

Updated: 2026-05-26

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00017