Node.js CVE-2026-30962
MEDIUMSeverity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
3DescriptionGitHub Advisory
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.6 and 8.6.19, the validation for protected fields only checks top-level query keys. By wrapping a query constraint on a protected field inside a logical operator, the check is bypassed entirely. This allows any authenticated user to query on protected fields to extract field values. All Parse Server deployments have default protected fields and are vulnerable. This vulnerability is fixed in 9.5.2-alpha.6 and 8.6.19.
AnalysisAI
Parse Server versions prior to 9.5.2-alpha.6 and 8.6.19 allow authenticated users to bypass field protection checks by nesting query constraints within logical operators, enabling unauthorized extraction of protected field values. This vulnerability affects all Parse Server deployments with default protected fields, as the validation mechanism only inspects top-level query keys. A patch is available in the specified versions.
Technical ContextAI
Classified as CWE-284 (Improper Access Control). Affects Parse-Server. Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-alpha.6 and 8.6.19, the validation for protected fields only checks top-level query keys. By wrapping a query constraint on a protected field inside a logical operator, the check is bypassed entirely. This allows any authenticated user to query on protected fields to extract field values. All Parse Server deployments have default protected fields and are vulnerable. This vulnera
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 9.5.2. Restrict network access to the affected service where possible.
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Same weakness CWE-284 – Improper Access Control
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External POC / Exploit Code
Leaving vuln.today
GHSA-72hp-qff8-4pvv