CVE-2026-41720

Authentication Bypass with Empty Password in Spring LDAP

Published Jun 9, 2026 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-jrv5-8w28-4265 Spring LDAP has Authentication Bypass with Empty Password
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Spring
Spring spring Ldap
Vendors & Products Spring
Spring spring Ldap
Type Values Removed Values Added
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.
Title Authentication Bypass with Empty Password in Spring LDAP
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
vmware
Published
Updated
Jun 23, 2026, 8:47 PM
Reserved
Apr 22, 2026, 6:21 AM
Status
Awaiting Analysis
Published
Jun 9, 2026, 5:16 AM
Modified
Jul 23, 2026, 8:10 AM