CVE-2026-31828: Parse server Parse Server Vulnerable To LDAP Vulnerability
MODERATECVE-2026-31828 is a MODERATE parse server vulnerable to ldap vulnerability (CWE-90: Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')) affecting Parse server libraries in the npm ecosystem. The issue involves parse server vulnerable to ldap injection via unsanitized user input in dn and group filter construction. Remediation is available by upgrading affected packages to version 9.5.2-alpha.13, 8.6.26.
CVE-2026-31828 at a Glance
How to Fix CVE-2026-31828
To remediate this vulnerability, upgrade all affected Parse server dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
npm install parse-server@9.5.2-alpha.13npm install parse-server@8.6.26Run the following command in your project directory to verify that all resolved dependencies use the patched release:
npm ls parse-serverHow to Check if You Are Affected
To determine whether your Node.js application is affected by CVE-2026-31828, inspect your project dependencies using npm:
npm ls parse-serverAnalyze the terminal output to locate any version of Parse server in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 9.5.2-alpha.13), your application is affected.
Note: The npm ls parse-server command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-90: Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection'), where the product constructs all or part of an ldap query using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended ldap query when it is sent to a downstream component. In Parse server, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2026-31828 Affected Parse server Versions
2 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
parse-server
|
npm |
≥ 9.0.0-alpha.1
< 9.5.2-alpha.13
|
9.5.2-alpha.13
|
|
parse-server
|
npm |
< 8.6.26
|
8.6.26
|
References
Frequently Asked Questions
What is CVE-2026-31828?
Which Parse server versions are affected?
What version fixes CVE-2026-31828?
Is parse-server affected?
What CWE is associated with CVE-2026-31828?
How can I check npm dependencies for CVE-2026-31828?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-7m6r-fhh7-r47c",
"modified" : "2026-03-11T05:47:03Z",
"published" : "2026-03-11T00:23:21Z",
"aliases" : [ "CVE-2026-31828" ],
"summary" : "Parse Server vulnerable to LDAP injection via unsanitized user input in DN and group filter construction",
"details" : "### Impact\n\nThe 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.\n\nThe vulnerability affects Parse Server deployments that use the LDAP authentication adapter with group-based access control.\n\n### Patches\n\nThe vulnerability is fixed by escaping user input before interpolation into DN strings (per [RFC 4514](https://datatracker.ietf.org/doc/html/rfc4514#section-2.4)) and LDAP filter strings (per [RFC 4515](https://datatracker.ietf.org/doc/html/rfc4515#section-3)).\n\n### Workarounds\n\nThere is no known workaround.\n\n### References\n\n- GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-7m6r-fhh7-r47c\n- Fix Parse Server 9: https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.13\n- Fix Parse Server 8: https://github.com/parse-community/parse-server/releases/tag/8.6.26",
"severity" : [ {
"type" : "CVSS_V4",
"score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "npm",
"name" : "parse-server"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "9.0.0-alpha.1"
}, {
"fixed" : "9.5.2-alpha.13"
} ]
} ]
}, {
"package" : {
"ecosystem" : "npm",
"name" : "parse-server"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "8.6.26"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/parse-community/parse-server/security/advisories/GHSA-7m6r-fhh7-r47c"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-31828"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/parse-community/parse-server"
}, {
"type" : "WEB",
"url" : "https://github.com/parse-community/parse-server/releases/tag/8.6.26"
}, {
"type" : "WEB",
"url" : "https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.13"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-90" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2026-03-11T00:23:21Z",
"nvd_published_at" : "2026-03-10T22:16:20Z"
}
}