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CVE-2026-50008— Parse Server: Server option routeAllowList is bypassable through batch sub-requests

Quick assessment

Affected
parse-community parse-server
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.

Parse Platform Parse Server是Parse Platform组织开源的一个开源后端,可以部署到任何可以运行 Node.js 的基础设施。 Parse Platform Parse Server 9.8.0版本至9.9.1-alpha.3之前版本存在授权问题漏洞，该漏洞源于routeAllowList检查未在/batch子请求中重新运行，导致授权旁路，可能允许外部调用者绕过路由防火墙。

AI Predicted 7.5 Difficulty: Easy EPSS 0.34% · P27

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
parse-community parse-server >= 9.8.0, < 9.9.1-alpha.3 affected
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I. Basic Information for CVE-2026-50008

Vulnerability Information
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Vulnerability Title
Parse Server: Server option routeAllowList is bypassable through batch sub-requests
Source: CVE Program / CVE List V5
Vulnerability Description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. From version 9.8.0 to before version 9.9.1-alpha.3, the routeAllowList server option restricts external client access to a configured list of REST API routes. The check is only enforced as Express middleware against the outer HTTP request URL, so the /batch handler dispatches each sub-request to the internal router without re-running the allow-list check. An external caller whose outer route matches batch can issue batch sub-requests to any REST API route that the operator omitted from the allow-list. Authentication, ACL, CLP, and other inner-route authorization controls still apply — only the operator-configured route firewall is bypassed. This issue has been patched in version 9.9.1-alpha.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Parse Platform Parse Server 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Parse Platform Parse Server是Parse Platform组织开源的一个开源后端,可以部署到任何可以运行 Node.js 的基础设施。 Parse Platform Parse Server 9.8.0版本至9.9.1-alpha.3之前版本存在授权问题漏洞，该漏洞源于routeAllowList检查未在/batch子请求中重新运行，导致授权旁路，可能允许外部调用者绕过路由防火墙。
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
parse-community parse-server >= 9.8.0, < 9.9.1-alpha.3 -

II. Public POCs for CVE-2026-50008

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III. Intelligence Information for CVE-2026-50008

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Patches & Fixes for CVE-2026-50008 (1)

Vendor Advisories for CVE-2026-50008 (1)

Same Patch Batch · parse-community · 2026-06-12 · 6 CVEs total

CVE-2026-53726 Parse Server: Relation `$relatedTo` query bypasses `protectedFields` and owning-object ACL
CVE-2026-53724 Parse Server: Stored XSS via trailing-dot filename bypassing file upload extension blockli
CVE-2026-53725 Parse Server: Endpoints `/login` and `/verifyPassword` disclose MFA secrets and protected
CVE-2026-47248 Parse Server: GraphQL "Did you mean" validation suggestions disclose schema to unauthentic
CVE-2026-47138 Parse Server: Pre-authentication denial of service via client version header regex backtra

IV. Related Vulnerabilities

Same product: parse-server
Same vendor: parse-community
Same weakness: CWE-863

V. Comments for CVE-2026-50008

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