Vulnerability DatabaseCVE-2026-41720
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CVE-2026-41720
Published:June 09, 2026
Updated:June 11, 2026
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 Packages
https://github.com/spring-projects/spring-ldap.git (GITHUB):
Affected version(s) >=3.3.0 <3.3.8
Fix Suggestion:
Update to version 3.3.8
https://github.com/spring-projects/spring-ldap.git (GITHUB):
Affected version(s) >=4.0.0 <4.0.4
Fix Suggestion:
Update to version 4.0.4
org.springframework.ldap:spring-ldap-core (JAVA):
Affected version(s) >=3.3.0 <3.3.8
Fix Suggestion:
Update to version 3.3.8
org.springframework.ldap:spring-ldap-core (JAVA):
Affected version(s) >=4.0.0 <4.0.4
Fix Suggestion:
Update to version 4.0.4
Related Resources (1)
https://spring.io/security/cve-2026-41720
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CVSS v4
Base Score:
9.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.4
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Authentication
CWE-287
EPSS
Base Score:
0.04