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CVE-2026-30848— Parse Server: `PagesRouter` path traversal allows reading files outside configured pages directory

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 Server是Parse Platform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 Server 8.6.8之前版本和9.5.0-alpha.8之前版本存在路径遍历漏洞，该漏洞源于路径遍历攻击，可能导致读取配置目录外的文件。

AI Predicted 7.5 Difficulty: Easy EPSS 0.31% · P23

Possible ATT&CK Techniques 1 AI

T1552.004 · Private Keys
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I. Basic Information for CVE-2026-30848

Vulnerability Information
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Vulnerability Title
Parse Server: `PagesRouter` path traversal allows reading files outside configured pages directory
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. Prior to versions 8.6.8 and 9.5.0-alpha.8, the PagesRouter static file serving route is vulnerable to a path traversal attack that allows unauthenticated reading of files outside the configured pagesPath directory. The boundary check uses a string prefix comparison without enforcing a directory separator boundary. An attacker can use path traversal sequences to access files in sibling directories whose names share the same prefix as the pages directory (e.g. pages-secret starts with pages). This issue has been patched in versions 8.6.8 and 9.5.0-alpha.8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Parse Server 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Parse Server是Parse Platform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 Server 8.6.8之前版本和9.5.0-alpha.8之前版本存在路径遍历漏洞，该漏洞源于路径遍历攻击，可能导致读取配置目录外的文件。
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 < 8.6.8 -

II. Public POCs for CVE-2026-30848

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III. Intelligence Information for CVE-2026-30848

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Vendor Advisories for CVE-2026-30848 (1)

Same Patch Batch · parse-community · 2026-03-07 · 4 CVEs total

CVE-2026-30854 Parse Server: GraphQL `__type` introspection bypass via inline fragments when public intro
CVE-2026-30863 Parse Server: JWT audience validation bypass in Google, Apple, and Facebook authentication
CVE-2026-30850 Parse Server: File metadata endpoint bypasses `beforeFind` / `afterFind` trigger authoriza

IV. Related Vulnerabilities

Same product: parse-server
Same vendor: parse-community
Same weakness: CWE-22

V. Comments for CVE-2026-30848

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