CVE-2026-40995 MEDIUM

CVE-2026-40995: X.509 authentication bypasses Spring Security account checks

Vendor Spring
Product Spring Web Services
Weakness CWE-287 · Improper authentication
Published June 11, 2026
Last update June 11, 2026
View on NVD All CVEs

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

X509AuthenticationProvider could issue a fully authenticated X509AuthenticationToken when a presented certificate mapped to UserDetails, without applying Spring Security's standard account lifecycle checks (disabled, locked, expired, or credentials-expired accounts). Affected versions: Spring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.

Key dates

02Disclosure timeline

June 11, 2026 CVE published
June 11, 2026 Record updated