Vulnerability Details CVE-2026-22747
Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user.
This issue affects Spring Security: from 7.0.0 through 7.0.4.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.0%
CVSS Severity
CVSS v3 Score 6.8
References
Products affected by CVE-2026-22747
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cpe:2.3:a:vmware:spring_security:7.0.0