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CVE-2026-56324— Capgo - Rate Limit Bypass via User-Controlled device_id Parameter

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之前版本存在资源管理错误漏洞，该漏洞源于channel_self端点存在速率限制绕过问题，允许攻击者通过轮换用户控制的device_id参数，每秒发送多个请求来淹没channel_devices表，导致数据库资源耗尽。

CVSS 8.2 · High EPSS 0.46% · P38

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-2026-56324

Vulnerability Information
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Vulnerability Title
Capgo - Rate Limit Bypass via User-Controlled device_id Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
Capgo before 12.128.2 contains a rate limit bypass vulnerability in the channel_self endpoint that allows attackers to circumvent rate limiting by rotating the user-controlled device_id parameter. Attackers can send multiple requests per second by changing device_id values to flood the channel_devices table and cause database exhaustion.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Capgo 资源管理错误漏洞
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之前版本存在资源管理错误漏洞，该漏洞源于channel_self端点存在速率限制绕过问题，允许攻击者通过轮换用户控制的device_id参数，每秒发送多个请求来淹没channel_devices表，导致数据库资源耗尽。
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-2026-56324

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8135 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-56324

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Vendor Advisories for CVE-2026-56324 (2)

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

CVE-2026-56323 7.5 HIGH Capgo - Unauthenticated Channel Enumeration and App Oracle via GET /channel_self
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-770

V. Comments for CVE-2026-56324

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