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CVE-2025-66489

9.9 critical SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 1

  1. First seenCVSS 9.9 · calNVD modified 2026-10-18 18:10

Affected (CPE criteria) 1

  • cpe:2.3:a:cal:cal.com:*:*:*:*:*:*:*:*

References 1