CVE-2026-9303
calcom cal.diy cross-site request forgery
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 23, 2026
- Updated
- May 26, 2026
- Reserved
- May 22, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
cal.diycalcom |
|
References
- VDB-365250 | calcom cal.diy cross-site request forgeryvdb-entry
- VDB-365250 | CTI Indicators (IOB, IOC)signaturepermissions-required
- Submit #812173 | cal.com <= v4.9.4 Cross-Site Request Forgery (CWE-352)third-party-advisory
- Submit #812175 | cal.com <= v4.9.4 Cross-Site Request Forgery (CWE-352) (Duplicate)third-party-advisory
- https://gist.github.com/YLChen-007/26663d9558e15994176dc420d2e11d48related
- https://gist.github.com/YLChen-007/dafada36e356bc895b09829d8ec57e49exploit
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