CVE-2026-30938— Parse Server has denylist `requestKeywordDenylist` keyword scan bypass through nested object placement
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 8.6.12之前版本和9.5.1-alpha.1之前版本存在安全漏洞，该漏洞源于requestKeywordDenylist安全控制存在逻辑缺陷可被绕过，可能导致禁止的关键词被注入。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-30938
Vulnerability Information
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Vulnerability Title
Parse Server has denylist `requestKeywordDenylist` keyword scan bypass through nested object placement
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 8.6.12 and 9.5.1-alpha.1, the requestKeywordDenylist security control can be bypassed by placing any nested object or array before a prohibited keyword in the request payload. This is caused by a logic bug that stops scanning sibling keys after encountering the first nested value. Any custom requestKeywordDenylist entries configured by the developer are equally by-passable using the same technique. All Parse Server deployments are affected. The requestKeywordDenylist is enabled by default. This vulnerability is fixed in 8.6.12 and 9.5.1-alpha.1. Use a Cloud Code beforeSave trigger to validate incoming data for prohibited keywords across all classes.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
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 8.6.12之前版本和9.5.1-alpha.1之前版本存在安全漏洞，该漏洞源于requestKeywordDenylist安全控制存在逻辑缺陷可被绕过，可能导致禁止的关键词被注入。
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 | < 8.6.12 | - |
|
II. Public POCs for CVE-2026-30938
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-30938 (1)
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Release 9.5.1-alpha.1 · parse-community/parse-server · GitHub x_refsource_MISC
Vendor Advisories for CVE-2026-30938 (1)
Other References for CVE-2026-30938 (1)
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Release 8.6.12 · parse-community/parse-server · GitHub x_refsource_MISC
Same Patch Batch · parse-community · 2026-03-10 · 14 CVEs total
| CVE-2026-30966 | 10.0 CRITICAL | Parse Server role escalation and CLP bypass via direct `_Join` table write |
| CVE-2026-30939 | Parse Server has Denial of Service (DoS) and Cloud Function Dispatch Bypass via Prototype | |
| CVE-2026-30941 | Parse Server has a NoSQL injection via token type in password reset and email verification | |
| CVE-2026-30948 | Parse Server has stored cross-site scripting (XSS) via SVG file upload | |
| CVE-2026-30949 | Parse Server is missing audience validation in Keycloak authentication adapter | |
| CVE-2026-30946 | Parse Server affected by denial-of-service via unbounded query complexity in REST and Grap | |
| CVE-2026-30947 | Parse Server ha a bypass of class-level permissions in LiveQuery | |
| CVE-2026-31800 | Parse Server: Classes `_GraphQLConfig` and `_Audience` master key bypass via generic class | |
| CVE-2026-30972 | Parse Server has a rate limit bypass via batch request endpoint | |
| CVE-2026-30962 | Parse Server has a protected fields bypass via logical query operators | |
| CVE-2026-30967 | Parse Server OAuth2 authentication adapter account takeover via identity spoofing | |
| CVE-2026-30965 | Parse Server session token exfiltration via `redirectClassNameForKey` query parameter | |
| CVE-2026-31828 | Parse Server has an LDAP injection via unsanitized user input in DN and group filter const |
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Same vendor: parse-community
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Same weakness: CWE-693
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V. Comments for CVE-2026-30938
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