CVE-2026-32944— Parse Server crash via deeply nested query condition operators
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I. Basic Information for CVE-2026-32944
Vulnerability Information
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Vulnerability Title
Parse Server crash via deeply nested query condition operators
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.21 and 8.6.45, an unauthenticated attacker can crash the Parse Server process by sending a single request with deeply nested query condition operators. This terminates the server and denies service to all connected clients. Starting in version 9.6.0-alpha.21 and 8.6.45, a depth limit for query condition operator nesting has been added via the `requestComplexity.queryDepth` server option. The option is disabled by default to avoid a breaking change. To mitigate, upgrade and set the option to a value appropriate for your app. No known workarounds are available.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
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.21之前版本和8.6.45之前版本存在安全漏洞，该漏洞源于深度嵌套查询条件可导致服务器崩溃，可能导致拒绝服务。
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.21 | - |
II. Public POCs for CVE-2026-32944
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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-2026-32886 | Parse Server's Cloud function dispatch crashes server via prototype chain traversal | |
| 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-2026-32943 | 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-674
V. Comments for CVE-2026-32944
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