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CVE-2026-56242— Capgo - Unauthenticated API Key Validity Oracle and User Identity Disclosure via get_identity_apikey_only RPC

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之前版本存在信息泄露漏洞，该漏洞源于函数get_identity_apikey_only存在未经验证的安全定义RPC，可能导致攻击者确认API密钥有效性、将密钥映射到用户标识符，进而检索组织成员身份和管理邮件PII。

CVSS 7.5 · High EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

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-2026-56242

Vulnerability Information
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Vulnerability Title
Capgo - Unauthenticated API Key Validity Oracle and User Identity Disclosure via get_identity_apikey_only RPC
Source: CVE Program / CVE List V5
Vulnerability Description
Capgo before 12.128.2 contains an unauthenticated security definer RPC function get_identity_apikey_only that returns the owning user_id for supplied API keys, creating an API key validity oracle and user identity disclosure primitive. Attackers can call this endpoint with valid or invalid API keys to confirm key validity and map keys to user identifiers, then chain results into other exposed RPCs like get_orgs_v6 to retrieve organization membership and management email PII.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Capgo 信息泄露漏洞
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之前版本存在信息泄露漏洞，该漏洞源于函数get_identity_apikey_only存在未经验证的安全定义RPC，可能导致攻击者确认API密钥有效性、将密钥映射到用户标识符，进而检索组织成员身份和管理邮件PII。
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-2026-56242

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9585 chars
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III. Intelligence Information for CVE-2026-56242

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Vendor Advisories for CVE-2026-56242 (2)

Same Patch Batch · Capgo · 2026-06-21 · 7 CVEs total

CVE-2026-56239 7.6 HIGH Capgo - Privilege Escalation via SECURITY DEFINER Function apply_usage_overage
CVE-2026-56253 7.5 HIGH Capgo - Unauthenticated Organization Member Email Disclosure via get_org_members RPC
CVE-2026-56229 6.5 MEDIUM Capgo - Cross-App Build Job Access via app_id/job_id Mismatch in /build/status and /build/
CVE-2026-56251 6.5 MEDIUM Capgo - Privilege Escalation via Broken Row Level Security in org_users
CVE-2026-56236 6.1 MEDIUM Capgo CLI - Arbitrary File Overwrite via Symlink-Following in Local Credential Operations
CVE-2026-56299 5.3 MEDIUM Capgo - Denial of Service via Unauthenticated OPTIONS Request to /build/upload Endpoint

IV. Related Vulnerabilities

Same product: Capgo
Same vendor: Capgo
Same weakness: CWE-200

V. Comments for CVE-2026-56242

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