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CVE-2026-56073— Cap-go - OTP Bypass via Response Manipulation in Email Verification

Quick assessment

Affected
Cap-go capgo
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Capgo是CAPGO公司的一个专为CapacitorJS开发者打造的移动应用开发和更新平台。 Capgo 12.128.2之前版本存在输入验证错误漏洞，该漏洞源于OTP验证中存在身份验证绕过问题，允许攻击者通过修改服务器响应绕过电子邮件验证。攻击者可拦截OTP验证请求并操纵HTTP响应，使其错误标记为验证成功，从而导致未经授权的2FA启用和账户接管。

CVSS 9.4 · Critical EPSS 0.27% · P17

Affected Version Matrix 2

VendorProduct Version RangeStatus
Cap-go capgo < 12.128.2 affected
12.128.2 unaffected
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I. Basic Information for CVE-2026-56073

Vulnerability Information
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Vulnerability Title
Cap-go - OTP Bypass via Response Manipulation in Email Verification
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Vulnerability Title
Capgo 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Capgo是CAPGO公司的一个专为CapacitorJS开发者打造的移动应用开发和更新平台。 Capgo 12.128.2之前版本存在输入验证错误漏洞，该漏洞源于OTP验证中存在身份验证绕过问题，允许攻击者通过修改服务器响应绕过电子邮件验证。攻击者可拦截OTP验证请求并操纵HTTP响应，使其错误标记为验证成功，从而导致未经授权的2FA启用和账户接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Cap-go capgo 0 ~ 12.128.2 -

II. Public POCs for CVE-2026-56073

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
default-local-qwen3.6 · 12813 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-56073

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Vendor Advisories for CVE-2026-56073 (2)

Same Patch Batch · Cap-go · 2026-06-19 · 4 CVEs total

CVE-2026-56081 9.1 CRITICAL Cap-go - Account Lockout via 2FA Misconfiguration on Unverified Email
CVE-2026-56082 7.5 HIGH Capgo - Unauthenticated Cross-Tenant Billing Log Tampering via public.record_build_time RP
CVE-2026-56080 4.9 MEDIUM Cap-go - Authentication Logic Flaw in Enforce Password Policy

IV. Related Vulnerabilities

Same product: capgo
Same vendor: Cap-go
Same weakness: CWE-345

V. Comments for CVE-2026-56073

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