CVE-2026-40995

MEDIUM

X.509 authentication bypasses Spring Security account checks

Title source: cna

Description

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.

References (1)

Core 1

Core References

https://spring.io/security/cve-2026-40995

Scores

CVSS v3 5.4

EPSS 0.0018

EPSS Percentile 7.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-287

Status published

Products (4)

Spring/Spring Web Services 3.1.0 - 3.1.9

Spring/Spring Web Services 4.0.0 - 4.0.19

Spring/Spring Web Services 4.1.0 - 4.1.4

Spring/Spring Web Services 5.0.0 - 5.0.2

Published Jun 11, 2026

Tracked Since Jun 11, 2026