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CVE-2026-40995

5.4
MEDIUMCVSS v3.1 Base Score
0.15%
LOW RiskEPSS (4th percentile)

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.

Published: 6/11/2026
Modified: 6/17/2026
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Vulnerability Summary

CVSS v3 Score

5.4MEDIUM

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

EPSS Score (Exploitation Probability)

0.15%LOW Exploitation Risk
4th percentile

This vulnerability has a 0.15% probability of being exploited in the next 30 days, ranking higher than 4% of all scored CVEs.

CWE Classification

Related Vulnerabilities

Same Weakness Type(CWE-287)

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Similar SeverityMEDIUM