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Advisories

Cap-go - OTP Bypass via Response Manipulation in Email Verification

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severity
critical
date
Affecting

  • capgo >= 0, < 12.128.2

CWE
  • CWE-345 Insufficient Verification of Data Authenticity
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Credit
nancyhunter191
Description
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.

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