CVE-2026-41838

Updated on 09 Jun 2026

Severity

4.8 Medium severity

Details

CVSS score
4.8
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Overview

About vulnerability

IDs for WebSocket sessions in the spring-websocket module are not cryptographically unpredictable, which may be possible to exploit in combination with inadequate authorization rules.

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.

Details

Affected packages:
websocket-servlet @ 9.4.57.v20241219 (+3958 more)

Fixes