CVE-2026-31828

moderate-risk
Published 2026-03-10

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.

Do I need to act?

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0.14% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (13)

Affected Vendors

Parseplatform

References (3)

Product https://github.com/parse-community/parse-server/releases/tag/8.6.26
Product https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.13
Vendor Advisory https://github.com/parse-community/parse-server/security/advisories/GHSA-7m6r-fh...
48
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 1/34 · Minimal
Exposure 17/34 · Moderate