CVE-2026-22747
MEDIUM
NVD
CVSS Score
6.8
Severity
MEDIUM
Published
Apr 22, 2026
Vendor
unknown
Description
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.