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.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://spring.io/security/cve-2026-22747	Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-22747
https://bugzilla.redhat.com/show_bug.cgi?id=2460487
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22747.json

Configurations

Configuration 1 (hide)

cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*

History

30 Jun 2026, 03:17

Type	Values Removed	Values Added
References		() https://access.redhat.com/security/cve/CVE-2026-22747 - () https://bugzilla.redhat.com/show_bug.cgi?id=2460487 - () https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22747.json -
CWE		CWE-295

24 Apr 2026, 14:18

Type	Values Removed	Values Added
References	~~() https://spring.io/security/cve-2026-22747 -~~	() https://spring.io/security/cve-2026-22747 - Vendor Advisory
First Time		Vmware spring Security Vmware
CPE		cpe:2.3:a:vmware:spring_security::::::::

22 Apr 2026, 17:16

Type	Values Removed	Values Added
CWE		CWE-297

22 Apr 2026, 06:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-22 06:16

Updated : 2026-07-15 02:18

NVD link : CVE-2026-22747

Mitre link : CVE-2026-22747

CVE.ORG link : CVE-2026-22747

JSON object : View

Products Affected

vmware

spring_security

CWE

CWE-297

Improper Validation of Certificate with Host Mismatch

CWE-295

Improper Certificate Validation

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In a carefully crafted certificate, this can lead to an attacker impersonating another user.\nThis issue affects Spring Security: from 7.0.0 through 7.0.4."}], "lastModified": "2026-07-15T02:18:34.980", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0B8A5767-EB43-4E11-8E93-9324B70F7060", "versionEndExcluding": "7.0.5", "versionStartIncluding": "7.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@vmware.com"}