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.
Published: 2026-06-09
Score: 4.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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References
History

Thu, 11 Jun 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Vmware
Vmware spring Framework
CPEs cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:*
Vendors & Products Vmware
Vmware spring Framework

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'}


Subscriptions

Spring Spring Framework
Vmware Spring Framework
cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-06-27T20:57:50.695Z

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 : Analyzed

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

Modified: 2026-06-11T16:53:41.830

Link: CVE-2026-41838

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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

Weaknesses