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NVD Vulnerability Details :
CVE-2026-47838
Analyzed
More InfoOfficial Page
Source-security@vmware.com
View Known Exploited Vulnerability (KEV) details
Published At-10 Jun, 2026 | 00:16
Updated At-23 Jul, 2026 | 09:10

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.16.8MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Primary3.18.1HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
N/A
Type: Secondary
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Type: Primary
Version: 3.1
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Type: N/A
Version:
Base score:
Base severity: N/A
Vector:
CPE Matches
VMware (Broadcom Inc.)
vmware
>>spring_security>>Versions before 5.7.25(exclusive)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
VMware (Broadcom Inc.)
vmware
>>spring_security>>Versions from 5.8.0(inclusive) to 5.8.27(exclusive)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
VMware (Broadcom Inc.)
vmware
>>spring_security>>Versions from 6.3.0(inclusive) to 6.3.18(exclusive)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
VMware (Broadcom Inc.)
vmware
>>spring_security>>Versions from 6.4.0(inclusive) to 6.4.18(exclusive)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
VMware (Broadcom Inc.)
vmware
>>spring_security>>Versions from 6.5.0(inclusive) to 6.5.11(exclusive)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-287Secondarysecurity@vmware.com
CWE ID: CWE-287
Type: Secondary
Source: security@vmware.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://spring.io/security/cve-2026-47838security@vmware.com
Vendor Advisory
Hyperlink: https://spring.io/security/cve-2026-47838
Source: security@vmware.com
Resource:
Vendor Advisory
Change History
0Changes found
Details not found