parse-community parse-server up to 8.6.19/9.0.0 9.5.2-alpha.6 Delete Record access control

Summaryinfo

A vulnerability classified as critical was found in parse-community parse-server up to 8.6.19/9.0.0 9.5.2-alpha.6. This impacts an unknown function of the component Delete Record Handler. The manipulation results in access control. This vulnerability was named CVE-2026-30966. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in parse-community parse-server up to 8.6.19/9.0.0 9.5.2-alpha.6. Affected is an unknown function of the component Delete Record Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.7 and 8.6.20, Parse Server's internal tables, which store Relation field mappings such as role memberships, can be directly accessed via the REST API or GraphQL API by any client using only the application key. No master key is required. An attacker can create, read, update, or delete records in any internal relationship table. Exploiting this allows the attacker to inject themselves into any Parse Role, gaining all permissions associated with that role, including full read, write, and delete access to classes protected by role-based Class-Level Permissions (CLP). Similarly, writing to any such table that backs a Relation field used in a pointerFields CLP bypasses that access control. This vulnerability is fixed in 9.5.2-alpha.7 and 8.6.20.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-30966 since 03/07/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

Upgrading to version 8.6.20 or 9.0.0 9.5.2-alpha.7 eliminates this vulnerability. The upgrade is hosted for download at github.com.

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Productinfo

Vendor

• parse-community

Name

• parse-server

Version

• 8.6.0
• 8.6.1
• 8.6.2
• 8.6.3
• 8.6.4
• 8.6.5
• 8.6.6
• 8.6.7
• 8.6.8
• 8.6.9
• 8.6.10
• 8.6.11
• 8.6.12
• 8.6.13
• 8.6.14
• 8.6.15
• 8.6.16
• 8.6.17
• 8.6.18
• 8.6.19
• 9.0.0 9.5.2-alpha.0
• 9.0.0 9.5.2-alpha.1
• 9.0.0 9.5.2-alpha.2
• 9.0.0 9.5.2-alpha.3
• 9.0.0 9.5.2-alpha.4
• 9.0.0 9.5.2-alpha.5
• 9.0.0 9.5.2-alpha.6

Website

• Product: https://github.com/parse-community/parse-server/

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