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CVE-2025-66489

🗓️ 03 Dec 2025 19:44:35Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 43 Views

Cal.com login bypass vulnerability before 5.9.8 allows bypassing password with a one time password.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2025-66489
3 Dec 202521:24
–circl
cnnvd
CNNVD
Cal.com security vulnerabilities
3 Dec 202500:00
–cnnvd
cvelist
Cvelist
CVE-2025-66489 Cal.com Authentication Bypass via bad TOTP + password checks
3 Dec 202519:44
–cvelist
euvd
EUVD
EUVD-2025-201128
3 Dec 202519:44
–euvd
mend
Mend
CVE-2025-66489
3 Dec 202519:44
–mend
nvd
NVD
CVE-2025-66489
3 Dec 202520:16
–nvd
osv_cve
osv_cve
CVE-2025-66489 Cal.com Authentication Bypass via bad TOTP + password checks
3 Dec 202519:44
–osv_cve
ptsecurity
Positive Technologies
PT-2025-48991
3 Dec 202500:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2025-66489: Incorrect Implementation of Authentication Algorithm
3 Dec 202500:00
–rapid7
redhatcve
RedhatCVE
CVE-2025-66489
4 Dec 202520:12
–redhatcve
Rows per page
NVD
Vulners
Node
calcal.comRange<5.9.8
[
  {
    "vendor": "calcom",
    "product": "cal.com",
    "versions": [
      {
        "version": "< 5.9.8",
        "status": "affected"
      }
    ]
  }
]

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18 Oct 2026 18:10Current
7.4High risk
Vulners AI Score7.4
CVSS 3.19.8
CVSS 49.9
EPSS0.00963
SSVC
43