CVE-2026-22747 (GCVE-0-2026-22747)

Vulnerability from cvelistv5 – Published: 2026-04-22 05:08 – Updated: 2026-04-23 03:56
VLAI?
Title
Unauthorized User Impersonation when Using X.509 Client Certificates
Summary
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.
Severity ?
6.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-297 - Improper Validation of Certificate with Host Mismatch
Assigner
References
Impacted products
Vendor Product Version
Spring Spring Security Affected: 7.0.0 , ≤ 7.0.4 (custom)
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