CVE-2026-47838 (GCVE-0-2026-47838)
Vulnerability from cvelistv5
Published
2026-06-09 23:50
Modified
2026-06-30 21:49
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-287 - Improper Authentication
Summary
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.
References
Impacted products
Vendor Product Version
Spring Spring Security Version: 5.7.0   < 5.7.25
Version: 5.8.0   < 5.8.27
Version: 6.3.0   < 6.3.18
Version: 6.4.0   < 6.4.18
Version: 6.5.0   < 6.5.10.2
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