CVE-2026-56073
Cap-go - OTP Bypass via Response Manipulation in Email Verification
CVSS Score
9.4
EPSS Score
0.0%
EPSS Percentile
0th
Cap-go before 12.128.2 contains an authentication bypass vulnerability in OTP verification that allows attackers to bypass email verification by modifying server responses. Attackers can intercept OTP verification requests and manipulate HTTP responses to falsely mark verification successful, enabling unauthorized 2FA enablement and account takeover.
| CWE | CWE-345 |
| Vendor | cap-go |
| Product | capgo |
| Published | Jun 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low
Affected Versions
Cap-go / capgo
0 < 12.128.2
References
Credits
🔍 nancyhunter191