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CVE-2026-9303

calcom cal.diy cross-site request forgery

CVSS 5.3 MEDIUMEPSS 0.2%CWE-352CWE-862
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: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
Affected products
calcom · cal.diy
public PoCs found — 1
cve_referencegist.github.com/YLChen-007/dafada36e356bc895b09829d8ec57e49unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://gist.github.com/YLChen-007/26663d9558e15994176dc420d2e11d48https://gist.github.com/YLChen-007/dafada36e356bc895b09829d8ec57e49https://vuldb.com/submit/812173https://vuldb.com/submit/812175https://vuldb.com/vuln/365250https://vuldb.com/vuln/365250/cti