CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 6.8. See the original NVD description below for full technical details.
CVE
CVE-2026-47838
Severity
MEDIUM
CVSS
6.8
EPSS
0.12%
Original NVD Description
SubjectDnX509PrincipalExtractor 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. Affected versions: Spring Security 5.7.0 through 5.7.24; 5.8.0 through 5.8.26; 6.3.0 through 6.3.17; 6.4.0 through 6.4.17; 6.5.0 through 6.5.10.
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