CVE-2026-41839
MEDIUM
NVD
CVSS Score
4.2
Severity
MEDIUM
Published
Jun 09, 2026
Vendor
unknown
Description
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.