CVE-2026-30967

HIGH

8.8

Description

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 that a token is active via the provider's token introspection endpoint, but does not verify that the token belongs to the user identified by authData.id. An attacker with any valid OAuth2 token from the same provider can authenticate as any other user. This affects any Parse Server deployment that uses the generic OAuth2 authentication adapter (configured with oauth2: true) without setting the useridField option. This vulnerability is fixed in 9.5.2-alpha.9. and 8.6.22.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/10/2026

Derniere modification3/11/2026

Sourcenvd

Observations honeypot0

Produits affectes

parseplatform:parse-server

Faiblesses (CWE)

CWE-287

References

https://github.com/parse-community/parse-server/releases/tag/8.6.22(security-advisories@github.com)

https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.9(security-advisories@github.com)

https://github.com/parse-community/parse-server/security/advisories/GHSA-fr88-w35c-r596(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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