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.
Metrics
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History
Thu, 04 Dec 2025 16:45:00 +0000
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Wed, 03 Dec 2025 22:15:00 +0000
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Wed, 03 Dec 2025 20:00:00 +0000
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| 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. | |
| Title | Cal.com Authentication Bypass via bad TOTP + password checks | |
| Weaknesses | CWE-303 | |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published: 2025-12-03T19:44:35.303Z
Updated: 2025-12-03T21:48:27.861Z
Reserved: 2025-12-02T22:44:04.707Z
Link: CVE-2025-66489
Updated: 2025-12-03T21:48:23.065Z
Status : Awaiting Analysis
Published: 2025-12-03T20:16:27.057
Modified: 2025-12-04T17:15:08.283
Link: CVE-2025-66489
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