high7.4
CVE-2026-41720
Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an empty or null password.
Impact
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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.springframework.ldap:spring-ldap-core | >= 4.0.0, <= 4.0.3 | 4.0.4 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-jrv5-8w28-4265
- https://nvd.nist.gov/vuln/detail/CVE-2026-41720
- https://spring.io/security/cve-2026-41720
- https://github.com/spring-projects/spring-ldap/issues/407
- https://github.com/spring-projects/spring-ldap/commit/30b90c9fb61af87208ed051fc31349ef4d418f75
- https://github.com/spring-projects/spring-ldap/commit/5cc73a6b7fb1d2bcb950c4d69221c6d192d79795
- https://github.com/spring-projects/spring-ldap/commit/e2748d44bdce4f6cb4663b9b8d8462e34808f09c
- https://github.com/spring-projects/spring-ldap/releases/tag/3.3.8
- https://github.com/spring-projects/spring-ldap/releases/tag/4.0.4