CVE-2025-66489
- Source
- https://cve.org/CVERecord?id=CVE-2025-66489
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-66489.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-66489
- Aliases
-
- GHSA-9r3w-4j8q-pw98
- Published
- 2025-12-03T19:44:35.303Z
- Modified
- 2026-02-15T08:01:33.779415Z
- Severity
-
- 9.9 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N CVSS Calculator
- Summary
- Cal.com Authentication Bypass via bad TOTP + password checks
- Details
-
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.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66489.json", "cna_assigner": "GitHub_M", "cwe_ids": [ "CWE-303" ] }- References
Affected packages
Git / github.com/calcom/cal.com
Affected ranges
- Type
- GIT
- Repo
- https://github.com/calcom/cal.com
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
@calcom/atoms@1.*
@calcom/atoms@1.0.110
@calcom/atoms@1.0.112
@calcom/atoms@1.0.114
@calcom/atoms@1.1.0
@calcom/atoms@1.1.2
@calcom/atoms@1.10.0
@calcom/atoms@1.11.0
@calcom/atoms@1.12.1
@calcom/atoms@1.2.0
@calcom/atoms@1.3.0
@calcom/atoms@1.3.1
@calcom/atoms@1.4.0
@calcom/atoms@1.5.0
@calcom/atoms@1.6.0
@calcom/atoms@1.7.0
@calcom/atoms@1.7.1
@calcom/atoms@1.8.0
@calcom/atoms@1.9.0
V1.*
V1.5
V1.5.3
v.*
v.1.5.4
v.1.6.2
v.2.5.1
v.2.5.2
v.2.5.4
v.2.7.10
v.2.7.4
v1.*
v1.0
v1.1
v1.2
v1.3
v1.4
v1.6
v1.6.1
v1.6.2
v1.6.3
v1.7.0
v1.7.1
v1.7.2
v1.7.3
v1.7.4
v1.7.5
v1.7.6
v1.7.7
v1.8.0
v1.8.1
v1.8.2
v1.8.3
v1.8.4
v1.8.5
v1.9.0
v1.9.1
v1.9.2
v1.9.3
v1.9.4
v1.9.5
v2.*
v2.0.0
v2.0.1
v2.0.2
v2.0.3
v2.0.4
v2.0.5
v2.1.0
v2.1.1
v2.1.2
v2.1.3
v2.1.4
v2.1.5
v2.2.0
v2.2.1
v2.2.2
v2.3.0
v2.3.1
v2.3.2
v2.3.3
v2.3.4
v2.3.5
v2.3.6
v2.3.7
v2.3.8
v2.4.0
v2.4.1
v2.4.2
v2.4.3
v2.4.4
v2.4.6
v2.4.7
v2.5.0
v2.5.10
v2.5.11
v2.5.12
v2.5.13
v2.5.14
v2.5.15
v2.5.3
v2.5.5
v2.5.6
v2.5.7
v2.5.8
v2.5.9
v2.6.0
v2.6.1
v2.6.10
v2.6.11
v2.6.12
v2.6.2
v2.6.3
v2.6.4
v2.6.5
v2.6.6
v2.6.7
v2.6.8
v2.6.9
v2.7.0
v2.7.1
v2.7.11
v2.7.12
v2.7.13
v2.7.14
v2.7.15
v2.7.16
v2.7.17
v2.7.18
v2.7.3
v2.7.5
v2.7.6
v2.7.7
v2.7.8
v2.7.9
v2.8.0
v2.8.1
v2.8.10
v2.8.11
v2.8.12
v2.8.13
v2.8.2
v2.8.3
v2.8.4
v2.8.4.1
v2.8.5
v2.8.6
v2.8.7
v2.8.8
v2.8.9
v2.9.0
v2.9.0-rc1
v2.9.1
v2.9.2
v2.9.3
v2.9.4
v2.9.5
v2.9.5.1
v2.9.6
v2.9.8
v3.*
v3.0.0
v3.0.0.1
v3.0.0.2
v3.0.1
v3.0.10
v3.0.11
v3.0.12
v3.0.13
v3.0.14
v3.0.15
v3.0.16
v3.0.2
v3.0.3
v3.0.4
v3.0.5
v3.0.6
v3.0.7
v3.0.8
v3.0.9
v3.1.0
v3.1.1
v3.1.2
v3.1.3
v3.1.4
v3.1.5
v3.1.6
v3.1.7
v3.1.8
v3.1.9
v3.2.0
v3.2.1
v3.2.10
v3.2.2
v3.2.3
v3.2.4
v3.2.5
v3.2.6
v3.2.7
v3.2.7.1
v3.2.8
v3.2.9
v3.3.0
v3.3.1
v3.3.2
v3.3.3
v3.3.4
v3.3.5
v3.3.6
v3.3.7
v3.4.0
v3.4.0-rc1
v3.4.1
v3.4.10
v3.4.2
v3.4.3
v3.4.4
v3.4.4-rc1
v3.4.5
v3.4.6
v3.4.7
v3.4.8
v3.4.9
v3.5.0
v3.5.1
v3.5.2
v3.5.3
v3.5.4
v3.5.5
v3.6.0
v3.6.1
v3.6.2
v3.6.3
v3.6.4
v3.7.0
v3.7.1
v3.7.10
v3.7.11
v3.7.12
v3.7.13
v3.7.14
v3.7.15
v3.7.16
v3.7.17
v3.7.18
v3.7.19
v3.7.2
v3.7.3
v3.7.4
v3.7.5
v3.7.6
v3.7.7
v3.7.8
v3.7.9
v3.8.0
v3.8.0-rc1
v3.8.1
v3.8.2
v3.8.3
v3.8.4
v3.8.5
v3.8.6
v3.8.7
v3.8.8
v3.8.9
v3.9.0
v3.9.1
v3.9.2
v3.9.3
v3.9.4
v3.9.5
v3.9.6
v3.9.7
v3.9.8
v3.9.9
v4.*
v4.0.0
v4.0.1
v4.0.2
v4.0.3
v4.0.4
v4.0.5
v4.0.6
v4.0.7
v4.0.8
v4.0.9
v4.1.0
v4.1.1
v4.1.10
v4.1.11
v4.1.12
v4.1.2
v4.1.3
v4.1.4
v4.1.5
v4.1.6
v4.1.7
v4.1.8
v4.1.9
v4.2.0
v4.2.1
v4.2.2
v4.2.3
v4.2.4
v4.2.5
v4.3.0
v4.3.1
v4.3.2
v4.3.3
v4.3.4
v4.3.5
v4.3.6
v4.4.0
v4.4.1
v4.4.2
v4.4.3
v4.4.4
v4.4.5
v4.4.6
v4.4.7
v4.4.8
v4.4.9
v4.5.0
v4.5.1
v4.5.10
v4.5.11
v4.5.2
v4.5.3
v4.5.4
v4.5.5
v4.5.6
v4.5.7
v4.5.8
v4.5.9
v4.6.0
v4.6.1
v4.6.10
v4.6.11
v4.6.12
v4.6.13
v4.6.14
v4.6.15
v4.6.16
v4.6.17
v4.6.18
v4.6.19
v4.6.2
v4.6.20
v4.6.21
v4.6.22
v4.6.23
v4.6.24
v4.6.3
v4.6.4
v4.6.5
v4.6.6
v4.6.7
v4.6.8
v4.6.9
v4.7.0
v4.7.1
v4.7.10
v4.7.11
v4.7.12
v4.7.13
v4.7.14
v4.7.15
v4.7.16
v4.7.17
v4.7.18
v4.7.19
v4.7.2
v4.7.20
v4.7.21
v4.7.22
v4.7.23
v4.7.24
v4.7.25
v4.7.3
v4.7.4
v4.7.5
v4.7.6
v4.7.7
v4.7.8
v4.7.9
v4.8.0
v4.8.1
v4.8.10
v4.8.11
v4.8.12
v4.8.13
v4.8.14
v4.8.15
v4.8.16
v4.8.18
v4.8.19
v4.8.2
v4.8.3
v4.8.4
v4.8.5
v4.8.6
v4.8.7
v4.8.8
v4.8.9
v4.9.0
v4.9.1
v4.9.1-rc1
v4.9.10
v4.9.11
v4.9.12
v4.9.13
v4.9.2
v4.9.3
v4.9.4
v4.9.5
v4.9.6
v4.9.7
v4.9.8
v4.9.9
v5.*
v5.0.0
v5.0.1
v5.0.10
v5.0.11
v5.0.12
v5.0.13
v5.0.14
v5.0.15
v5.0.17
v5.0.18
v5.0.19
v5.0.2
v5.0.20
v5.0.3
v5.0.4
v5.0.5
v5.0.6
v5.0.7
v5.0.8
v5.0.9
v5.1.0
v5.1.1
v5.1.10
v5.1.11
v5.1.12
v5.1.13
v5.1.14
v5.1.15
v5.1.16
v5.1.17
v5.1.18
v5.1.19
v5.1.2
v5.1.20
v5.1.21
v5.1.3
v5.1.4
v5.1.5
v5.1.6
v5.1.7
v5.1.8
v5.1.9
v5.2.0
v5.2.1
v5.2.10
v5.2.11
v5.2.12
v5.2.13
v5.2.14
v5.2.15
v5.2.16
v5.2.17
v5.2.2
v5.2.3
v5.2.4
v5.2.5
v5.2.6
v5.2.7
v5.2.8
v5.2.9
v5.3.0
v5.3.1
v5.3.10
v5.3.11
v5.3.12
v5.3.13
v5.3.2
v5.3.3
v5.3.4
v5.3.5
v5.3.6
v5.3.7
v5.3.8
v5.3.9
v5.4.0
v5.4.1
v5.4.10
v5.4.11
v5.4.12
v5.4.13
v5.4.14
v5.4.15
v5.4.16
v5.4.17
v5.4.19
v5.4.2
v5.4.20
v5.4.3
v5.4.4
v5.4.5
v5.4.6
v5.4.7
v5.4.8
v5.4.9
v5.5.0
v5.5.1
v5.5.10
v5.5.11
v5.5.12
v5.5.13
v5.5.14
v5.5.15
v5.5.16
v5.5.17
v5.5.18
v5.5.2
v5.5.3
v5.5.4
v5.5.5
v5.5.6
v5.5.7
v5.5.8
v5.5.9
v5.6.0
v5.6.1
v5.6.10
v5.6.11
v5.6.12
v5.6.13
v5.6.14
v5.6.15
v5.6.16
v5.6.17
v5.6.18
v5.6.19
v5.6.2
v5.6.20
v5.6.3
v5.6.4
v5.6.5
v5.6.6
v5.6.7
v5.6.8
v5.6.9
v5.7.0
v5.7.1
v5.7.10
v5.7.11
v5.7.12
v5.7.2
v5.7.3
v5.7.4
v5.7.5
v5.7.6
v5.7.7
v5.7.8
v5.7.9
v5.8.0
v5.8.1
v5.8.10
v5.8.11
v5.8.12
v5.8.13
v5.8.14
v5.8.3
v5.8.4
v5.8.5
v5.8.6
v5.8.7
v5.8.8
v5.8.9
v5.9.0
v5.9.1
v5.9.2
v5.9.3
v5.9.4
v5.9.5
v5.9.6
v5.9.7