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CVE-2026-56337— Capgo - Information Disclosure via Unauthenticated RPC Function exist_app_v2

Quick assessment

Affected
Capgo Capgo
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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public.exist_app_v2 RPC函数存在信息泄露，可能导致未经身份验证的攻击者通过向POST /rest/v1/rpc/exist_app_v2发送任意appid参数枚举app_ids，从而进行跨租户应用枚举。

CVSS 5.3 · Medium EPSS 0.44% · P36

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-2026-56337

Vulnerability Information
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Vulnerability Title
Capgo - Information Disclosure via Unauthenticated RPC Function exist_app_v2
Source: CVE Program / CVE List V5
Vulnerability Description
Capgo before 12.128.2 contains an information disclosure vulnerability in the public.exist_app_v2 RPC function that allows unauthenticated attackers to enumerate app_ids by calling POST /rest/v1/rpc/exist_app_v2 with arbitrary appid parameters. Remote attackers can exploit this SECURITY DEFINER function to determine whether specific app_ids exist in the public.apps table, enabling cross-tenant app enumeration and privacy violations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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public.exist_app_v2 RPC函数存在信息泄露，可能导致未经身份验证的攻击者通过向POST /rest/v1/rpc/exist_app_v2发送任意appid参数枚举app_ids，从而进行跨租户应用枚举。
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-2026-56337

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III. Intelligence Information for CVE-2026-56337

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Vendor Advisories for CVE-2026-56337 (2)

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

CVE-2026-56237 9.1 CRITICAL Capgo - Unauthenticated API Key Generation via Client-Side Parameter Manipulation
CVE-2026-56232 8.8 HIGH Capgo - Subkey Scope Bypass in middlewareKey via x-limited-key-id Header
CVE-2026-56223 8.7 HIGH Capgo - Account Takeover via Cross-Domain SSO Email Assertion in provision-user
CVE-2026-56231 7.6 HIGH Capgo - Broken Object Level Authorization in Build Job Control via jobId Parameter
CVE-2026-56244 7.1 HIGH Capgo - Webhook Signing Secret Disclosure via Non-Admin API Key
CVE-2026-56256 7.1 HIGH Capgo - Two-Factor Authentication Bypass via Organization Management API
CVE-2026-56257 7.1 HIGH Capgo - Authorization Bypass in App Ownership Transfer via Direct PostgREST Update
CVE-2026-56302 6.5 MEDIUM Capgo - Unsecured Supabase Images Bucket via Missing Row Level Security
CVE-2026-56338 5.3 MEDIUM Capgo - Denial of Service in 2FA Email Verification via /auth/v1/otp Endpoint

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-56337

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