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CVE-2026-56223— Capgo - Account Takeover via Cross-Domain SSO Email Assertion in provision-user

CVSS 8.7 · High EPSS 0.24% · P16

Affected Version Matrix 2

VendorProductVersion RangeStatus
CapgoCapgo< 12.128.2affected
12.128.2unaffected
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I. Basic Information for CVE-2026-56223

Vulnerability Information
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Vulnerability Title
Capgo - Account Takeover via Cross-Domain SSO Email Assertion in provision-user
Source: CVE Program / CVE List V5
Vulnerability Description
Capgo before 12.128.2 contains a cross-domain SSO account takeover vulnerability in the provision-user endpoint that allows attackers to merge arbitrary victim accounts based on email match without validating SSO provider domain authorization. An attacker with enterprise org admin access and a malicious IdP can forge SAML assertions containing victim email addresses to trigger account merge and gain full access to victim accounts, organizations, and data.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
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provision-user端点存在跨域SSO账户接管问题，可能导致攻击者在不验证SSO提供商域授权的情况下基于电子邮件匹配合并任意受害者账户。
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

VendorProductAffected VersionsCPESubscribe
CapgoCapgo 0 ~ 12.128.2 -

II. Public POCs for CVE-2026-56223

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 6835 chars
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III. Intelligence Information for CVE-2026-56223

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Vendor Advisories for CVE-2026-56223 (2)

Same Patch Batch · Capgo · 2026-06-24 · 10 CVEs total

CVE-2026-562379.1 CRITICALCapgo - Unauthenticated API Key Generation via Client-Side Parameter Manipulation
CVE-2026-562328.8 HIGHCapgo - Subkey Scope Bypass in middlewareKey via x-limited-key-id Header
CVE-2026-562317.6 HIGHCapgo - Broken Object Level Authorization in Build Job Control via jobId Parameter
CVE-2026-562447.1 HIGHCapgo - Webhook Signing Secret Disclosure via Non-Admin API Key
CVE-2026-562567.1 HIGHCapgo - Two-Factor Authentication Bypass via Organization Management API
CVE-2026-562577.1 HIGHCapgo - Authorization Bypass in App Ownership Transfer via Direct PostgREST Update
CVE-2026-563026.5 MEDIUMCapgo - Unsecured Supabase Images Bucket via Missing Row Level Security
CVE-2026-563375.3 MEDIUMCapgo - Information Disclosure via Unauthenticated RPC Function exist_app_v2
CVE-2026-563385.3 MEDIUMCapgo - Denial of Service in 2FA Email Verification via /auth/v1/otp Endpoint

IV. Related Vulnerabilities

Same product: Capgo
Same vendor: Capgo
Same weakness: CWE-287

V. Comments for CVE-2026-56223

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