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.

Project Subscriptions

Vendors Products
Spring Framework Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
History

Tue, 09 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 09 Jun 2026 05:45:00 +0000

Type Values Removed Values Added
First Time appeared Spring
Spring spring Framework
Vendors & Products Spring
Spring spring Framework

Tue, 09 Jun 2026 04:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Spring Framework Predictable Session ID in WebSocket Module
Weaknesses CWE-330
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-06-09T13:39:43.249Z

Reserved: 2026-04-22T06:22:01.122Z

Link: CVE-2026-41838

cve-icon Vulnrichment

Updated: 2026-06-09T13:39:39.877Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-09T05:16:35.723

Modified: 2026-06-09T13:49:39.993

Link: CVE-2026-41838

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-09T05:30:36Z

Weaknesses