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GHSA-7m6r-fhh7-r47c

MediumCVSS 6 / 10
Published Mar 11, 2026·Last modified Mar 14, 2026
Affected Components(0)

No affected components available

Description

Impact

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.

Patches

The vulnerability is fixed by escaping user input before interpolation into DN strings (per RFC 4514) and LDAP filter strings (per RFC 4515).

Workarounds

There is no known workaround.

References

  • GitHub security advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-7m6r-fhh7-r47c
  • Fix Parse Server 9: https://github.com/parse-community/parse-server/releases/tag/9.5.2-alpha.13
  • Fix Parse Server 8: https://github.com/parse-community/parse-server/releases/tag/8.6.26
Risk Scores
Base Score
6.0

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
2.3

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
0.42%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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