CVE-2026-31800

CRITICAL
9.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch Released
Mar 11, 2026 - 18:30 nvd
Patch available
CVE Published
Mar 10, 2026 - 21:16 nvd
CRITICAL 9.1

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.12 and 8.6.25, the _GraphQLConfig and _Audience internal classes can be read, modified, and deleted via the generic /classes/_GraphQLConfig and /classes/_Audience REST API routes without master key authentication. This bypasses the master key enforcement that exists on the dedicated /graphql-config and /push_audiences endpoints. An attacker can read, modify and delete GraphQL configuration and push audience data. This vulnerability is fixed in 9.5.2-alpha.12 and 8.6.25.

Analysis

Parse Server has a third vulnerability with missing authorization enabling unauthorized operations.

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Remediation

Within 24 hours: Inventory all Parse Server deployments and assess exposure in internet-facing environments. Within 7 days: Apply vendor patch to all affected instances and validate functionality post-deployment. …

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Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +46
POC: 0

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CVE-2026-31800 vulnerability details – vuln.today

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