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CVE-2026-30229 Details

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.6 and 9.5.0-alpha.4, the readOnlyMasterKey can call POST /loginAs to obtain a valid session token for any user. This allows a read-only credential to impersonate arbitrary users with full read and write access to their data. Any Parse Server deployment that uses readOnlyMasterKey is affected. This issue has been patched in versions 8.6.6 and 9.5.0-alpha.4.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.2 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/parse-community/parse-server/releases/tag/8.6.6	[email protected]	ProductRelease Notes
https://github.com/parse-community/parse-server/releases/tag/9.5.0-alpha.4	[email protected]	ProductRelease Notes
https://github.com/parse-community/parse-server/security/advisories/GHSA-79wj-8rqv-jvp5	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	[email protected]

Affected Products

Product	Versions
parseplatform parse-server	< 8.6.6 >= 9.0.0, <= 9.4.1 9.5.0 alpha1 9.5.0 alpha2 9.5.0 alpha3
CPE cpe:2.3:a:parseplatform:parse-server::::::node.js::* cpe:2.3:a:parseplatform:parse-server:9.5.0:alpha1::::node.js::* cpe:2.3:a:parseplatform:parse-server:9.5.0:alpha2::::node.js::* cpe:2.3:a:parseplatform:parse-server:9.5.0:alpha3::::node.js::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Mar 11, 2026	Initial Analysis	[email protected]
Mar 6, 2026	New CVE Received	[email protected]