Prototype Pollution in Parse-community Parse-server

CVE-2026-32878

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.20 and 8.6.44, an attacker can bypass the default request keyword denylist protection and the class-level permissi…

Vulnerability class: Prototype Pollution

EPSS: 0.000 (3.6th percentile) — read the EPSS interpretation.

Affected products

Parse-community Parse-server — versions >= 9.0.0, < 9.6.0-alpha.20, < 8.6.44

Weakness classification (CWE)

CWE-1321 — Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution)

References

https://github.com/parse-community/parse-server/security/advisories/GHSA-9ccr-fpp6-78qf (x_refsource_CONFIRM)
https://github.com/parse-community/parse-server/pull/10200 (x_refsource_MISC)
https://github.com/parse-community/parse-server/pull/10201 (x_refsource_MISC)