CVE-2026-22747

MEDIUM

6.8

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.

CVE Details

CVSS v3.1 Score6.8

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published4/22/2026

Last Modified4/24/2026

Sourcenvd

Honeypot Sightings0

Affected Products

vmware:spring_security

Weaknesses (CWE)

CWE-297

References

https://spring.io/security/cve-2026-22747(security@vmware.com)

IOC Correlations

No correlations recorded

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