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CVE-2026-56308— Capgo - Insufficient Authentication in Email Change Endpoint

Quick assessment

Affected
Capgo 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之前版本存在授权问题漏洞，该漏洞源于修改电子邮件地址时未要求重新验证当前密码或验证现有电子邮件地址，可能导致具有有效会话cookie或经过身份验证的浏览器的攻击者更改账户电子邮件，从而控制账户恢复并绕过多因素身份验证保护。

CVSS 7.3 · High EPSS 0.43% · P35

Affected Version Matrix 2

VendorProduct Version RangeStatus
Capgo Capgo < 12.128.2 affected
12.128.2 unaffected
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I. Basic Information for CVE-2026-56308

Vulnerability Information
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Vulnerability Title
Capgo - Insufficient Authentication in Email Change Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Capgo before 12.128.2 allows email address changes without requiring current password re-authentication or verification of the existing email address. An attacker with access to a valid session cookie or authenticated browser can change the account email to gain control of account recovery and bypass multi-factor authentication protections.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
忘记口令恢复机制弱
Source: CVE Program / CVE List V5
Vulnerability Title
Capgo 授权问题漏洞
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之前版本存在授权问题漏洞，该漏洞源于修改电子邮件地址时未要求重新验证当前密码或验证现有电子邮件地址，可能导致具有有效会话cookie或经过身份验证的浏览器的攻击者更改账户电子邮件，从而控制账户恢复并绕过多因素身份验证保护。
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
Capgo Capgo 0 ~ 12.128.2 -

II. Public POCs for CVE-2026-56308

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: email changed victim@capgo.app -> attacker@evil.com with session cookie only (no current_password/MFA); proof flag exfiltrated: PROOF_51d92317568c8be2
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
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claude_code · 7271 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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Trigger conditions & impact
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III. Intelligence Information for CVE-2026-56308

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Vendor Advisories for CVE-2026-56308 (1)

News Coverage for CVE-2026-56308 (1)

Same Patch Batch · Capgo · 2026-07-12 · 7 CVEs total

CVE-2026-56241 8.3 HIGH Capgo - RBAC Demotion Privilege Retention via Stale org_users.user_right
CVE-2026-56313 8.1 HIGH Capgo - Cross-Organization Account Disruption via SSO Prelink Endpoint
CVE-2026-56238 7.5 HIGH Capgo - Unauthenticated Information Disclosure via PostgREST global_stats Endpoint
CVE-2026-56252 5.4 MEDIUM Capgo - Scope Isolation Failure in Webhook Test Endpoint
CVE-2026-56336 5.3 MEDIUM Capgo - Information Disclosure via Unauthenticated SSO check-domain Endpoint
CVE-2026-56281 3.8 LOW Capgo - SQL Injection via Unvalidated limit Parameter in Admin Stats Endpoint

IV. Related Vulnerabilities

Same product: Capgo
Same vendor: Capgo
Same weakness: CWE-640

V. Comments for CVE-2026-56308

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