Spring LDAP has Authentication Bypass with Empty Password

Published Jun 9, 2026·Updated Jul 29, 2026

NVD Description

Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password. Affected versions: Spring LDAP 2.4.0 through 2.4.4; 3.2.0 through 3.2.17; 3.3.0 through 3.3.7; 4.0.0 through 4.0.3.

Affected Packages (1)

org.springframework.ldap:spring-ldap-coreMAVEN

From 4.0.0

Fixed in = 4.0.3

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References

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