CVE-2026-41839

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...

CVE-2026-41839

A WebFlux application with a compromised subdomain for example, compr...

CVE-2026-41839 Spring Framework Escalation via Session Fixation in WebFlux

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...

CVE-2026-41839 Spring Framework Escalation via Session Fixation in WebFlux

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...

EUVD-2026-35326

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...