Auth bypass in Parse-community Parse-server

CVE-2026-30967

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.9. and 8.6.22, the OAuth2 authentication adapter, when configured without the useridField option, only verifies th…

Vulnerability class: Broken Authentication

EPSS: 0.001 (31.6th percentile) — read the EPSS interpretation.

Affected products

Parse-community Parse-server — versions >= 9.0.0 < 9.5.2-alpha.9, < 8.6.22

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

https://github.com/parse-community/parse-server/security/advisories/GHSA-fr88-w35c-r596 (x_refsource_CONFIRM)
https://github.com/parse-community/parse-server/releases/tag/8.6.22 (x_refsource_MISC)
https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.9 (x_refsource_MISC)