Home/CVE/Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-a
CVE

CVE-2026-30962

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.5.2-a

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.

MEDIUM · CVSS 6.5 EPSS 0.00046
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-284Improper Access Control
▤

Affected Products & Versions

3
parseplatform parse-server< 8.6.19
parseplatform parse-server>= 9.0.0 and < 9.5.2
parseplatform parse-serverall versions
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm parse-server HIGH fixed in 9.5.2-alpha.6
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Mar 2026 · 09:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/parse-community/parse-server/releases/tag/8.6.19ProductRelease Notes
https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.6ProductRelease Notes
https://github.com/parse-community/parse-server/security/advisories/GHSA-72hp-qff8-4pvvMitigationPatchVendor Advisory
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