CVE-2026-41847

EUVD-2026-35335
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.8 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
Affected Products (NVD)
VendorProductVersion
vmwarespring_framework
5.3.0 ≤
𝑥
< 5.3.49
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libspring-java
bookworm
unimportant
bullseye
unimportant
forky
unimportant
sid
unimportant
trixie
unimportant
Common Weakness Enumeration
References
https://spring.io/security/cve-2026-41847