CVE-2026-56316— Cap-go - Job Existence Oracle via Unauthenticated OPTIONS /build/upload/:jobId/*
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I. Basic Information for CVE-2026-56316
Vulnerability Information
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Vulnerability Title
Cap-go - Job Existence Oracle via Unauthenticated OPTIONS /build/upload/:jobId/*
Source: NVD (National Vulnerability Database)
Vulnerability Description
Cap-go before 12.128.2 contains an information disclosure vulnerability in the OPTIONS /build/upload/:jobId/* endpoint that allows unauthenticated attackers to enumerate valid builder job IDs through observable response discrepancies. Attackers can probe the endpoint without authentication to distinguish valid job IDs from invalid ones and generate sustained unauthenticated traffic for resource consumption.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过差异性导致的信息暴露
Source: NVD (National Vulnerability Database)
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OPTIONS /build/upload/:jobId/*端点存在可观察的响应差异，可能导致未经身份验证的攻击者枚举有效的构建器作业ID并生成持续的未经身份验证的流量以消耗资源。
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
II. Public POCs for CVE-2026-56316
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Vendor Advisories for CVE-2026-56316 (2)
IV. Related Vulnerabilities
Same product: capgo
- CVE-2026-56336
Capgo - Information Disclosure via Unauthenticated SSO check - CVE-2026-56308
Capgo - Insufficient Authentication in Email Change Endpoint - CVE-2026-56313
Capgo - Cross-Organization Account Disruption via SSO Prelin - CVE-2026-56281
Capgo - SQL Injection via Unvalidated limit Parameter in Adm - CVE-2026-56252
Capgo - Scope Isolation Failure in Webhook Test Endpoint
Same vendor: Cap-go
- CVE-2026-56296
Cap-go - App Existence Oracle via Unauthenticated transfer_a - CVE-2026-56284
Capgo - Unauthenticated Metrics Disclosure via get_total_met - CVE-2026-56226
Capgo - Unauthenticated Organization Data Disclosure via get - CVE-2026-56310
Cap-go - Authorization Bypass in Organization Members Endpoi - CVE-2026-56245
Supabase Capgo - Unauthenticated Cross-Tenant Build-Time Acc
Same weakness: CWE-203
- CVE-2026-56296
Cap-go - App Existence Oracle via Unauthenticated transfer_a - CVE-2026-58503
Frappe: Unauthenticated User Enumeration via reset_password - CVE-2026-44332
Fiber: Username Enumeration via Timing Oracle in BasicAuth D - CVE-2026-56327
Capgo - Unauthenticated Organization Existence Oracle via pu - CVE-2026-56319
Capgo - App Existence Oracle via GET /statistics/app/:app_id
V. Comments for CVE-2026-56316
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