PT-2026-42883 · Cal.Com · Cal.Diy

Eric-Z · Published 2026-05-23 · Updated 2026-05-23 · CVE-2026-9303

Mitre

CVSS v3.1

4.3

Medium

Base vector

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

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.

Exploit

CSRF

Missing Authorization

Weakness Enumeration

CWE-352

CWE-862

Related Identifiers

CVE-2026-9303

Affected Products

Cal.Diy

References · 6

• 🔥 https://gist.github.com/YLChen-007/dafada36e356bc895b09829d8ec57e49 · Exploit
• https://vuldb.com/vuln/365250/cti · Note
• https://vuldb.com/vuln/365250 · Note
• https://vuldb.com/submit/812173 · Note
• https://gist.github.com/YLChen-007/26663d9558e15994176dc420d2e11d48 · Note
• https://vuldb.com/submit/812175 · Note