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.
Published: 2026-06-09
Score: 4.2 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

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References
History

Tue, 09 Jun 2026 15:30:00 +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 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.
Title Spring Framework Escalation via Session Fixation in WebFlux
Weaknesses CWE-384
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N'}


Subscriptions

Spring Spring Framework
cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-06-09T13:30:34.473Z

Reserved: 2026-04-22T06:22:01.123Z

Link: CVE-2026-41839

cve-icon Vulnrichment

Updated: 2026-06-09T13:30:31.330Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-09T05:16:35.850

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

Link: CVE-2026-41839

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-09T05:30:35Z

Weaknesses