CVE-2026-31828

HIGH
2026-03-10 [email protected] GHSA-7m6r-fhh7-r47c
8.8
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch Released
Mar 11, 2026 - 14:28 nvd
Patch available
CVE Published
Mar 10, 2026 - 22:16 nvd
HIGH 8.8

Tags

Node.js Dns Ldap Privilege Escalation Parse Server

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.13 and 8.6.26, the LDAP authentication adapter is vulnerable to LDAP injection. User-supplied input (authData.id) is interpolated directly into LDAP Distinguished Names (DN) and group search filters without escaping special characters. This allows an attacker with valid LDAP credentials to manipulate the bind DN structure and to bypass group membership checks. This enables privilege escalation from any authenticated LDAP user to a member of any restricted group. The vulnerability affects Parse Server deployments that use the LDAP authentication adapter with group-based access control. This vulnerability is fixed in 9.5.2-alpha.13 and 8.6.26.

Analysis

Parse Server's LDAP authentication adapter fails to properly sanitize user input in Distinguished Names and group filters, allowing authenticated attackers to inject LDAP commands and bypass group-based access controls. This vulnerability enables privilege escalation for any valid LDAP user to gain membership in restricted groups, affecting deployments that rely on LDAP group policies for authorization. …

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Remediation

Within 24 hours: Identify all Parse Server instances using LDAP authentication and assess exposure scope. Within 7 days: Apply vendor patches (upgrade to version 9.5.2-alpha.13 or 8.6.26 or later) to all affected systems. …

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: 0

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CVE-2026-31828 vulnerability details – vuln.today
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