CVE-2026-41720 HIGH

CVE-2026-41720: Authentication Bypass with Empty Password in Spring LDAP

Vendor Spring
Product Spring LDAP
Weakness CWE-287 · Improper authentication
Published June 9, 2026
Last update June 10, 2026
View on NVD All CVEs

CVSS base score

7.4/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 10, 2026 Record updated

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04Related CVE

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