CVE-2026-41847
Spring Framework Security Filter Bypass in WebFlux Kotlin Router DSL
CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
8th
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.
| CWE | CWE-284 |
| Vendor | spring |
| Product | spring framework |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jun 9, 2026 |
| Last Updated | Jun 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Spring / Spring Framework
5.3.0 < 5.3.49