CVE-2026-32886— Parse Server's Cloud function dispatch crashes server via prototype chain traversal
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I. Basic Information for CVE-2026-32886
Vulnerability Information
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Vulnerability Title
Parse Server's Cloud function dispatch crashes server via prototype chain traversal
Source: NVD (National Vulnerability Database)
Vulnerability Description
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.24 and 8.6.47, remote clients can crash the Parse Server process by calling a cloud function endpoint with a crafted function name that traverses the JavaScript prototype chain of a registered cloud function handler, causing a stack overflow. The fix in versions 9.6.0-alpha.24 and 8.6.47 restricts property lookups during cloud function name resolution to own properties only, preventing prototype chain traversal from stored function handlers. There is no known workaround.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1321
Source: NVD (National Vulnerability Database)
Vulnerability Title
Parse Server 安全漏洞
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 9.6.0-alpha.24之前版本和8.6.47之前版本存在安全漏洞，该漏洞源于云函数名称解析可遍历原型链，可能导致堆栈溢出。
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 | >= 9.0.0, < 9.6.0-alpha.24 | - |
II. Public POCs for CVE-2026-32886
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|---|
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Same Patch Batch · parse-community · 2026-03-18 · 9 CVEs total
| CVE-2026-32770 | 5.9 MEDIUM | Parse Server: LiveQuery subscription with invalid regular expression crashes server |
| CVE-2026-32742 | 4.3 MEDIUM | Parse Server session creation endpoint allows overwriting server-generated session fields |
| CVE-2026-32728 | Parse Server has a stored XSS filter bypass via Content-Type MIME parameter and missing XM | |
| CVE-2026-32878 | Parse Server vulnerable to schema poisoning via prototype pollution in deep copy | |
| CVE-2026-32944 | Parse Server crash via deeply nested query condition operators | |
| CVE-2026-32943 | Parse Server has a password reset token single-use bypass via concurrent requests | |
| CVE-2026-33042 | Parse Server affected by empty authData bypassing credential requirement on signup | |
| CVE-2026-33163 | Parse Server leaks protected fields via LiveQuery afterEvent trigger |
IV. Related Vulnerabilities
Same product: parse-server
- CVE-2026-39381
Parse Server's Endpoint `/sessions/me` bypasses `_Session` ` - CVE-2026-39321
Parse Server has a login timing side-channel reveals user ex - CVE-2026-35200
Parse Server has a file upload Content-Type override via ext - CVE-2026-34784
Parse Server: Streaming file download bypasses afterFind fil - CVE-2026-34215
Parse Server: Auth data exposed via verify password endpoint
Same vendor: parse-community
- CVE-2026-39381
Parse Server's Endpoint `/sessions/me` bypasses `_Session` ` - CVE-2026-39321
Parse Server has a login timing side-channel reveals user ex - CVE-2026-35200
Parse Server has a file upload Content-Type override via ext - CVE-2026-34784
Parse Server: Streaming file download bypasses afterFind fil - CVE-2026-34215
Parse Server: Auth data exposed via verify password endpoint
Same weakness: CWE-1321
- CVE-2026-42264
Axios: Prototype pollution read-side gadgets in HTTP adapter - CVE-2026-42232
n8n: XML Node Prototype Pollution to RCE - CVE-2026-42231
n8n: Prototype Pollution in XML Webhook Body Parser Leads to - CVE-2026-42077
Evolver: Prototype Pollution via `Object.assign()` in mailbo - CVE-2026-42033
Axios: Prototype Pollution Gadgets - Response Tampering, Dat
V. Comments for CVE-2026-32886
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