CVE-2026-41839mediumCWE-384

CVE-2026-41839: fallo de gravedad media en Spring Framework

Spring Framework Escalation via Session Fixation in WebFlux

Publicada el · Actualizada el

Seguir esta CVE+ Monitorear Spring Framework+ Monitorear libspring-java

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 4.2epss 0.2%
A WebFlux application with a compromised subdomain (for example, compromised via cross-site scripting (XSS)) is vulnerable to an escalation attack exchanging a known session ID for that of an authenticated user. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Productos afectados
Spring · Spring Framework
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