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.
History

Fri, 24 Apr 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Vmware
Vmware spring Security
CPEs cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
Vendors & Products Vmware
Vmware spring Security

Wed, 22 Apr 2026 17:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-297
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 22 Apr 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Spring
Spring spring Security
Vendors & Products Spring
Spring spring Security

Wed, 22 Apr 2026 07:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-287
CWE-374

Wed, 22 Apr 2026 05:45:00 +0000

Type Values Removed Values Added
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.
Title Unauthorized User Impersonation when Using X.509 Client Certificates
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-04-23T03:56:11.308Z

Reserved: 2026-01-09T06:55:03.990Z

Link: CVE-2026-22747

cve-icon Vulnrichment

Updated: 2026-04-22T15:52:52.728Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-22T06:16:03.933

Modified: 2026-04-24T14:18:56.417

Link: CVE-2026-22747

cve-icon Redhat

No data.