PT-2026-47648 · Spring · Spring Ldap

Published 2026-06-09 · Updated 2026-06-09 · CVE-2026-41720

NVD

CVSS v3.1

7.4

High

Base vector

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

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.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2026-41720

Affected Products

Spring Ldap

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-41720 · Security Note
• https://spring.io/security/cve-2026-41720 · Note