2486698 – (CVE-2026-41847) CVE-2026-41847 Spring Framework: Spring WebFlux applications: Security bypass when using Kotlin Router DSL

Bug 2486698 (CVE-2026-41847) - CVE-2026-41847 Spring Framework: Spring WebFlux applications: Security bypass when using Kotlin Router DSL

Summary: CVE-2026-41847 Spring Framework: Spring WebFlux applications: Security bypass...

Keywords:
Status:	NEW
Alias:	CVE-2026-41847
Product:	Security Response
Classification:	Other
Component:	vulnerability
Sub Component:
Version:	unspecified
Hardware:	All
OS:	Linux
Priority:	medium
Severity:	medium
Target Milestone:	---
Assignee:	Product Security DevOps Team
QA Contact:
Docs Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+	depends on / blocked

Reported:	2026-06-09 05:01 UTC by OSIDB Bzimport
Modified:	2026-08-25 12:42 UTC (History)
CC List:	4 users (show)
Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2026-06-09 05:01:18 UTC

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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