CVE-2023-37919

Cal.com is open-source scheduling software. A vulnerability allows active sessions associated with an account to remain active even after enabling 2FA. When activating 2FA on a Cal.com account that is logged in on two or more devices, the account stays logged in on the other device(s) stays logged in without having to verify the account owner's identity. As of time of publication, no known patches or workarounds exist.

• CWE-613

• https://github.com/calcom/cal.com/security/advisories/GHSA-cpf2-q635-xrwxVendor Advisory
• https://github.com/calcom/cal.com/security/advisories/GHSA-cpf2-q635-xrwxVendor Advisory

Published

Jul 25, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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