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CVE-2026-56245— Supabase Capgo - Unauthenticated Cross-Tenant Build-Time Accounting Poisoning via record_build_time RPC

Quick assessment

Affected
Cap-go 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之前版本存在权限许可和访问控制问题漏洞，该漏洞源于SECURITY DEFINER record_build_time RPC函数存在授权绕过漏洞，可能导致未经身份验证的攻击者插入任意构建时间记录，从而对任何组织的计费和配额数据进行投毒，导致资源耗尽和跨租户计费操纵。

CVSS 8.2 · High EPSS 0.46% · P38

Affected Version Matrix 2

VendorProduct Version RangeStatus
Cap-go capgo < 12.128.2 affected
12.128.2 unaffected
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I. Basic Information for CVE-2026-56245

Vulnerability Information
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Vulnerability Title
Supabase Capgo - Unauthenticated Cross-Tenant Build-Time Accounting Poisoning via record_build_time RPC
Source: CVE Program / CVE List V5
Vulnerability Description
Supabase Capgo before 12.128.2 contains an authorization bypass vulnerability in the SECURITY DEFINER record_build_time RPC function that allows unauthenticated attackers to insert arbitrary build-time records. Attackers can exploit this by calling POST /rest/v1/rpc/record_build_time with a public API key to poison billing and quota data for any organization, enabling resource exhaustion and cross-tenant billing manipulation.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Capgo 权限许可和访问控制问题漏洞
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之前版本存在权限许可和访问控制问题漏洞，该漏洞源于SECURITY DEFINER record_build_time RPC函数存在授权绕过漏洞，可能导致未经身份验证的攻击者插入任意构建时间记录，从而对任何组织的计费和配额数据进行投毒，导致资源耗尽和跨租户计费操纵。
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
Cap-go capgo 0 ~ 12.128.2 -

II. Public POCs for CVE-2026-56245

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 10093 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-2026-56245

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Vendor Advisories for CVE-2026-56245 (2)

IV. Related Vulnerabilities

Same product: capgo
Same vendor: Cap-go
Same weakness: CWE-269

V. Comments for CVE-2026-56245

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