Cal.com Vulnerability Allows Bypass of Authentication with Fake TOTP Codes

First seen 8 Dec 2025, 14:53 UTC • Gbhackers

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A critical vulnerability in Cal.com has been identified that enables attackers to bypass authentication by using fake Time-based One-Time Password (TOTP) codes. This flaw poses a significant risk to users relying on TOTP for secure access. The specific details regarding the discovery and exploitation of this vulnerability have been reported by multiple cybersecurity news platforms.

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Cal.com Vulnerability Allows Bypass of Authentication with Fake TOTP Codes

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