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Unauthorized User Impersonation when Using X.509 Client Certificates

🗓️ 20 Apr 2026 00:00:00Reported by SpringType 
spring
 spring
🔗 spring.io👁 7 Views

Malformed client certificates enable impersonation by misreading usernames.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-22747
22 Apr 202605:08
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Chainguard
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30 Apr 202619:17
cgr
Circl
CVE-2026-22747
22 Apr 202608:49
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CNNVD
Spring Security 安全漏洞
22 Apr 202600:00
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CVE
CVE-2026-22747
22 Apr 202605:08
cve
Cvelist
CVE-2026-22747 Unauthorized User Impersonation when Using X.509 Client Certificates
22 Apr 202605:08
cvelist
EUVD
EUVD-2026-24609
22 Apr 202606:30
euvd
Github Security Blog
Spring Security Vulnerable to Unauthorized User Impersonation when Using X.509 Client Certificates
22 Apr 202606:30
github
NVD
CVE-2026-22747
22 Apr 202606:16
nvd
OSV
CGA-53FX-C46P-VWC9
30 Apr 202619:15
osv
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Vulners
Node
vmwarespring_securityRange7.0.07.0.5

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20 Apr 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.8
EPSS0.00227
7