spring-projects/spring-ldap · Security
Spring LDAP has Authentication Bypass with Empty Password
- GHSA ID
- GHSA-jrv5-8w28-4265
- CVE ID
- CVE-2026-41720
- Severity
- high
- Published
- Updated
- CVSS
- 7.4 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- CVSS v3
- 7.4 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
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.
CWEs
- CWE-287 · Improper Authentication
References
- 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 ↗
- https://github.com/advisories/GHSA-jrv5-8w28-4265 ↗