CVE-2026-22747

HighCVSS 8.1/10Last modified Jul 15, 2026

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.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-297 CWE-295

Affected software

No affected versions have been published.

Timeline

Published: Apr 22, 2026
Last modified: Jul 15, 2026
NVD status: Modified

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