Spring LDAP has Authentication Bypass with Empty Password
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.
01
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-41720US | — | — | ||
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:… | ||||
02
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/spring-projects/spring-ldapPACKAGE
- https://github.com/spring-projects/spring-ldap/commit/30b90c9fb61af87208ed051fc31349ef4d418f75WEB
- https://github.com/spring-projects/spring-ldap/commit/5cc73a6b7fb1d2bcb950c4d69221c6d192d79795WEB
- https://github.com/spring-projects/spring-ldap/commit/e2748d44bdce4f6cb4663b9b8d8462e34808f09cWEB
- https://github.com/spring-projects/spring-ldap/issues/407WEB
- https://github.com/spring-projects/spring-ldap/releases/tag/3.3.8WEB
- https://github.com/spring-projects/spring-ldap/releases/tag/4.0.4WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-41720ADVISORY
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