SecuriTricks - CVE-2026-41720

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.

Product(s) Impacted

Vendor	Product	Versions
Spring-projects	Spring Ldap	2.4.0-2.4.4, 3.2.0-3.2.17, 3.3.0-3.3.7, 4.0.0-4.0.3

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	spring-projects	spring_ldap	2.4.0-2.4.4	/	/	/	/	/	/	/
a	spring-projects	spring_ldap	3.2.0-3.2.17	/	/	/	/	/	/	/
a	spring-projects	spring_ldap	3.3.0-3.3.7	/	/	/	/	/	/	/
a	spring-projects	spring_ldap	4.0.0-4.0.3	/	/	/	/	/	/	/

References

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

CVSS Score

7.4 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: HIGH
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: NONE

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

View Vector String

Timeline

Published: June 9, 2026, 5:16 a.m.
Last Modified: June 9, 2026, 1:49 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-41720