CVE-2026-41720

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

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.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41720?
CVE-2026-41720 is a high-severity vulnerability, 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.