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CVE-2026-56323— Capgo - Unauthenticated Channel Enumeration and App Oracle via GET /channel_self

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/functions/v1/channel_self端点存在信息泄露问题，允许未经身份验证的攻击者通过发送带有任意app_id参数的GET请求，枚举非公开频道名称、确定应用存在性和订阅状态，泄露内部发布频道和跨租户的有效应用程序，以及获取计费状态。

CVSS 7.5 · High EPSS 0.64% · P49

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-2026-56323

Vulnerability Information
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Vulnerability Title
Capgo - Unauthenticated Channel Enumeration and App Oracle via GET /channel_self
Source: CVE Program / CVE List V5
Vulnerability Description
Capgo before 12.128.2 contains an information disclosure vulnerability in the /functions/v1/channel_self endpoint that allows unauthenticated attackers to enumerate non-public channel names and determine app existence and subscription status. Remote attackers can send GET requests with arbitrary app_id parameters to disclose internal rollout channels, enumerate valid applications across tenants, and leak billing status without authentication or device binding.
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/functions/v1/channel_self端点存在信息泄露问题，允许未经身份验证的攻击者通过发送带有任意app_id参数的GET请求，枚举非公开频道名称、确定应用存在性和订阅状态，泄露内部发布频道和跨租户的有效应用程序，以及获取计费状态。
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-2026-56323

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 8752 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
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-56323

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Vendor Advisories for CVE-2026-56323 (2)

Same Patch Batch · Capgo · 2026-06-22 · 7 CVEs total

CVE-2026-56324 8.2 HIGH Capgo - Rate Limit Bypass via User-Controlled device_id Parameter
CVE-2026-56314 7.1 HIGH Capgo - Deleted Bundle Selection via Missing Deletion Filter in /updates Endpoint
CVE-2026-56306 6.4 MEDIUM Capgo - Subkey Enforcement Bypass via x-limited-key-id Header Parsing
CVE-2026-56311 5.3 MEDIUM Capgo - Unauthenticated Cross-Tenant Disclosure via get_current_plan_max_org RPC
CVE-2026-56321 5.3 MEDIUM Capgo - Missing Authentication Middleware on GET /private/role_bindings Endpoint
CVE-2026-56255 4.3 MEDIUM Capgo - Denial of Service via Unlimited Demo App Creation

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-56323

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