7.4
High
CVE-2026-41720 Spring LDAP's DirContextAuthenticationStrategy implementations do not reject a bind request where a non-empty username…
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Spring LDAP 4.0 | 4.0.0 → < 4.0.3.1 | 4.0.3.1 |
| Spring LDAP 3.3 | 3.3.0 → < 3.3.7.1 | 3.3.7.1 |
| Spring LDAP 3.2 | 3.2.0 → < 3.2.18 | 3.2.18 |
| Spring LDAP 2.4 | 2.4.0 → < 2.4.5 | 2.4.5 |