GitHub Advisoryadvisory · Maven
GHSA-jrv5-8w28-4265 Spring LDAP has Authentication Bypass with Empty Password
HIGH
Official page ↗
- Aliases
- CVE-2026-41720
- Ecosystem
- Maven
- Packages
- org.springframework.ldap:spring-ldap-core
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-287
- Reviewed
- 2026-07-29
Affected packages
• Maven org.springframework.ldap:spring-ldap-core: >= 4.0.0, < 4.0.4 → fixed in 4.0.4
• Maven org.springframework.ldap:spring-ldap-core: >= 3.3.0, < 3.3.8 → fixed in 3.3.8
• Maven org.springframework.ldap:spring-ldap-core: >= 3.2.0, <= 3.2.16 (no fix yet)
• Maven org.springframework.ldap:spring-ldap-core: <= 2.4.4 (no fix yet)
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.
Related
Alias · CVE (1)
- CVE-2026-41720 Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username is paired with an… vulnerability
Weakness · CWE (1)
- CWE-287 Improper Authentication weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-41720 advisory
- https://github.com/spring-projects/spring-ldap/issues/407 web
- https://github.com/spring-projects/spring-ldap/commit/30b90c9fb61af87208ed051fc31349ef4d418f75 web
- https://github.com/spring-projects/spring-ldap/commit/5cc73a6b7fb1d2bcb950c4d69221c6d192d79795 web
- https://github.com/spring-projects/spring-ldap/commit/e2748d44bdce4f6cb4663b9b8d8462e34808f09c web
- https://github.com/spring-projects/spring-ldap package
- https://github.com/spring-projects/spring-ldap/releases/tag/3.3.8 web
- https://github.com/spring-projects/spring-ldap/releases/tag/4.0.4 web
- https://spring.io/security/cve-2026-41720 web