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7.8
Parse Server: Malicious User Can Escalate Privileges with LDAP Credentials
CVE-2026-31828
GHSA-7m6r-fhh7-r47c
GHSA-7m6r-fhh7-r47c
CVE-2026-31828
Summary
Parse Server's LDAP authentication system is vulnerable to a security risk. If an attacker uses valid LDAP credentials, they can gain access to sensitive groups. To fix this, update to the latest version of Parse Server, version 9.5.2-alpha.13 or 8.6.26.
What to do
- Update parse-server to version 9.5.2-alpha.13.
- Update parse-server to version 8.6.26.
- Update parse to version 9.5.2.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| – | parse-server | > 9.0.0-alpha.1 , <= 9.5.2-alpha.13 | 9.5.2-alpha.13 |
| – | parse-server | <= 8.6.26 | 8.6.26 |
| parseplatform | parse-server | <= 8.6.26 | – |
| parseplatform | parse-server | > 9.0.0 , <= 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| parseplatform | parse-server | 9.5.2 | – |
| – | parse | > 9.0.0 , <= 9.5.2 | 9.5.2 |
Original title
Parse Server has an LDAP injection via unsanitized user input in DN and group filter construction
Original 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.
nvd CVSS4.0
6.0
Vulnerability type
CWE-90
- https://github.com/parse-community/parse-server/releases/tag/8.6.26
- https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.13
- https://github.com/advisories/GHSA-7m6r-fhh7-r47c
- https://nvd.nist.gov/vuln/detail/CVE-2026-31828
- https://github.com/parse-community/parse-server/security/advisories/GHSA-7m6r-fh...
- https://github.com/parse-community/parse-server Product
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31828... Vendor Advisory
Published: 11 Mar 2026 · Updated: 14 Mar 2026 · First seen: 10 Mar 2026