CVE-2026-41720

HIGH

Authentication Bypass with Empty Password in Spring LDAP

Title source: cna
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 7.4
EPSS 0.0026
EPSS Percentile 17.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-287
Status published
Products (10)
org.springframework.ldap/spring-ldap-core 0 - 2.4.4Maven
org.springframework.ldap/spring-ldap-core 3.2.0 - 3.2.16Maven
org.springframework.ldap/spring-ldap-core 3.3.0 - 3.3.8Maven
org.springframework.ldap/spring-ldap-core 4.0.0 - 4.0.4Maven
Spring/Spring LDAP 2.4.0 - 2.4.5
Spring/Spring LDAP 3.2.0 - 3.2.18
Spring/Spring LDAP 3.3.0 - 3.3.7.1
Spring/Spring LDAP 3.3.0 - 3.3.8
Spring/Spring LDAP 4.0.0 - 4.0.3.1
Spring/Spring LDAP 4.0.0 - 4.0.4
Published Jun 09, 2026
Tracked Since Jun 09, 2026