CVE-2026-63768
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Jul 20, 2026
Vendor
unknown
Description
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.