CVE-2026-63768: medium-severity vulnerability in calcom cal.diy
cal.diy 6.2.0 Conferencing OAuth Callback Open Redirect via Unsigned State
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.3%
cal.diy through 6.2.0 contains an open redirect vulnerability in the conferencing OAuth callback endpoint that allows attackers to redirect users to arbitrary URLs by crafting malicious state parameters. Attackers can exploit the unsigned state parameter and onErrorReturnTo field to silently redirect visitors from the trusted domain to attacker-controlled URLs for phishing attacks.
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
Affected products
calcom · cal.diypublic PoCs found — 1
cve_referencegithub.com/calcom/cal.diy/issues/29679unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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