CVE-2026-47838

HIGH EPSS 1.9%
Published Jun 10, 20262w ago · Modified Jun 17, 20261w ago
8.1 CVSS 3.1
High
Find Similar
Published Jun 10, 2026 2w ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
8.1
Exploitability
2.8
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
1.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-287 Improper Authentication Authentication

Affected Products 5

VendorProductVersionRange
vmwarespring_security* <5.7.25
vmwarespring_security*≥5.8.0  –  <5.8.27
vmwarespring_security*≥6.3.0  –  <6.3.18
vmwarespring_security*≥6.4.0  –  <6.4.18
vmwarespring_security*≥6.5.0  –  <6.5.11

References 1

  • spring.io https://spring.io/security/cve-2026-47838
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.