Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL.

Affected versions:
Spring Framework 5.3.0 through 5.3.48.

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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 06:00:00 +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 Spring WebFlux applications may be vulnerable to a security bypass when using the Kotlin Router DSL. Affected versions: Spring Framework 5.3.0 through 5.3.48.
Title Spring Framework Security Filter Bypass in WebFlux Kotlin Router DSL
Weaknesses CWE-284
References
Metrics cvssV3_1

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


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cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-06-09T13:33:56.075Z

Reserved: 2026-04-22T06:22:08.200Z

Link: CVE-2026-41847

cve-icon Vulnrichment

Updated: 2026-06-09T13:33:53.253Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-06-09T05:16:36.817

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

Link: CVE-2026-41847

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-09T05:45:26Z

Weaknesses