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Vulnerability record · CVE-2023-36475 · published 28 June 2023

CVE-2023-36475: Parseplatform parse-server prototype pollution vulnerability

Parseplatform · Parse Server

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 5.5.2 and 6.2.1, an attacker can use a prototype pollution sink to trigger a remote code execution through the MongoDB BSON parser. A patch is available in versions 5.5.2 and 6.2.1.

9.8 CVSS 3.1 Critical EPSS 3.2% · top 12.3% CWE-1321 · Prototype pollution
9.8CVSS 3.1 base score
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 5.5.2 and 6.2.1, an attacker can use a prototype pollution sink to trigger a remote code execution through the MongoDB BSON parser. A patch is available in versions 5.5.2 and 6.2.1.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90 Patch
https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f Patch
https://github.com/parse-community/parse-server/issues/8674 Issue TrackingPatch
https://github.com/parse-community/parse-server/issues/8675 Issue TrackingPatch
https://github.com/parse-community/parse-server/releases/tag/5.5.2 Release Notes
https://github.com/parse-community/parse-server/releases/tag/6.2.1 Release Notes
https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6 Vendor Advisory
https://github.com/parse-community/parse-server/commit/3dd99dd80e27e5e1d99b42844180546d90c7aa90 Patch
https://github.com/parse-community/parse-server/commit/5fad2928fb8ee17304abcdcf259932f827d8c81f Patch
https://github.com/parse-community/parse-server/issues/8674 Issue TrackingPatch
https://github.com/parse-community/parse-server/issues/8675 Issue TrackingPatch
https://github.com/parse-community/parse-server/releases/tag/5.5.2 Release Notes
https://github.com/parse-community/parse-server/releases/tag/6.2.1 Release Notes
https://github.com/parse-community/parse-server/security/advisories/GHSA-462x-c3jw-7vr6 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-36475), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.