What is CVE-2026-41720?

CVE-2026-41720 is a high-severity vulnerability in Spring Ldap, classified under Improper Authentication. CVSS score: 7.4/10. Published 2026-06-09.

How severe is CVE-2026-41720?

High severity. CVSS v3 base score is 7.4 out of 10.

Auth bypass in Spring Ldap

CVE-2026-41720

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…

Vulnerability class: Broken Authentication

EPSS: 0.003 (17.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Spring Ldap — versions 2.4.0, 3.2.0, 3.3.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security@vmware.com

Frequently asked questions

What is CVE-2026-41720?: CVE-2026-41720 is a high-severity vulnerability in Spring Ldap, classified under Improper Authentication. CVSS score: 7.4/10. Published 2026-06-09.
How severe is CVE-2026-41720?: High severity. CVSS v3 base score is 7.4 out of 10.