CVE-2026-47838mediumCWE-287

CVE-2026-47838: fallo de gravedad media en Spring Security

Unauthorized User Impersonation when Using X.509 Client Certificates

Publicada el · Actualizada el

Seguir esta CVE+ Monitorear Spring Security+ Monitorear org.springframework.security:spring-security-web

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.8epss 0.1%
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:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Productos afectados
Spring · Spring Security
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