CVE-2026-41720CWE-287

Authentication Bypass with Empty Password in Spring LDAP

High · published June 9, 2026

CVSS v3.1
7.4
EPSS
0%
Percentile
31.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00387 · 31.6th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-06-09T03:48Z
EPSS history
Timeline
  • 09 JUN 03:48Z
    Authentication Bypass with Empty Password in Spring LDAP
    cvelistv5