CVE-2026-41720

HighCVSS 7.4/10Last modified Jul 23, 2026

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.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-287

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Spring	Spring LDAP	>= 2.4.0, < 2.4.5; >= 3.2.0, < 3.2.18; >= 3.3.0, < 3.3.7.1; >= 4.0.0, < 4.0.3.1

References

https://spring.io/security/cve-2026-41720

Timeline

Published: Jun 9, 2026
Last modified: Jul 23, 2026
NVD status: Awaiting Analysis

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