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CVE-2026-56243— Capgo - Hashed API Key Enforcement Bypass via PostgREST/RLS Plane

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PostgREST/RLS平面接受通过capgkey标头发送的明文API密钥，导致安全控制绕过，攻击者可绕过组织级别的哈希密钥强制验证，直接访问受保护资源。

CVSS 8.1 · High EPSS 0.39% · P30

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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-2026-56243

Vulnerability Information
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Vulnerability Title
Capgo - Hashed API Key Enforcement Bypass via PostgREST/RLS Plane
Source: CVE Program / CVE List V5
Vulnerability Description
Capgo before 12.128.2 contains a security control bypass vulnerability where the PostgREST/RLS plane accepts plaintext API keys through the capgkey header despite enforce_hashed_api_keys being enabled. Attackers can bypass org-level hashed-key enforcement by sending plaintext API keys directly to the PostgREST/RLS plane to access protected resources.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
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PostgREST/RLS平面接受通过capgkey标头发送的明文API密钥，导致安全控制绕过，攻击者可绕过组织级别的哈希密钥强制验证，直接访问受保护资源。
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-2026-56243

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9349 chars
Pro+ exclusive includes:
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
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III. Intelligence Information for CVE-2026-56243

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Vendor Advisories for CVE-2026-56243 (2)

Same Patch Batch · Capgo · 2026-06-23 · 5 CVEs total

CVE-2026-56225 8.3 HIGH Capgo - Authorization Bypass in API Key Management via App-Limited Keys
CVE-2026-56322 7.5 HIGH Capgo - Information Disclosure via Unauthenticated /updates defaultChannel Parameter
CVE-2026-56222 7.2 HIGH Capgo - Cross-Organization App Takeover via Mismatched org_id and app_id in /private/role_
CVE-2026-56234 5.3 MEDIUM Capgo - Password Spraying via Public-Key Accessible Credential Validation Endpoint

IV. Related Vulnerabilities

Same product: Capgo
Same vendor: Capgo
Same weakness: CWE-288

V. Comments for CVE-2026-56243

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