Feed/CVE-2025-66489
CVE-2025-66489CRITICALCVSS 9.8

CVE-2025-66489

Published Dec 3, 2025·Updated Jun 17, 2026

NVD Description

Cal.com is open-source scheduling software. Prior to 5.9.8, A flaw in the login credentials provider allows an attacker to bypass password verification when a TOTP code is provided, potentially gaining unauthorized access to user accounts. This issue exists due to problematic conditional logic in the authentication flow. This vulnerability is fixed in 5.9.8.

Public Exploits & PoCs1 found

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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