CVE-2026-41847: medium-severity vulnerability in Spring Framework
Spring Framework Security Filter Bypass in WebFlux Kotlin Router DSL
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.2%
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
Spring · Spring FrameworkRelated CVEs — Spring Framework
In the same product, most dangerous first.
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