CVE-2026-56073: Insufficient Verification of Data Authenticity in Cap-go capgo
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.
AI Analysis
Technical Summary
CVE-2026-56073 describes an authentication bypass vulnerability in Cap-go before version 12.128.2. The issue arises from insufficient verification of data authenticity in the OTP verification mechanism. Attackers can intercept OTP verification requests and alter HTTP responses to falsely indicate successful verification. This enables attackers to bypass email verification steps, potentially allowing unauthorized two-factor authentication enablement and account takeover. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation allows attackers to bypass email verification during OTP processes, enabling unauthorized two-factor authentication activation and account takeover. This compromises account security and user authentication integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, monitor vendor communications for updates and consider additional protective controls around OTP verification processes if feasible.
CVE-2026-56073: Insufficient Verification of Data Authenticity in Cap-go capgo
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.
CVSS v4.0
Score 9.3critical
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-56073 describes an authentication bypass vulnerability in Cap-go before version 12.128.2. The issue arises from insufficient verification of data authenticity in the OTP verification mechanism. Attackers can intercept OTP verification requests and alter HTTP responses to falsely indicate successful verification. This enables attackers to bypass email verification steps, potentially allowing unauthorized two-factor authentication enablement and account takeover. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
Potential Impact
Successful exploitation allows attackers to bypass email verification during OTP processes, enabling unauthorized two-factor authentication activation and account takeover. This compromises account security and user authentication integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, monitor vendor communications for updates and consider additional protective controls around OTP verification processes if feasible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-06-18T15:57:20.434Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a35be95daaa79a87d39ec64
Added to database: 06/19/2026, 22:11:33 UTC
Last enriched: 06/27/2026, 21:51:55 UTC
Last updated: 08/02/2026, 16:53:08 UTC
Views: 179
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