CVE-2026-47889

EUVD-2026-66857
A WebFlux application running on the Jetty 12 Core reactive adapter serializes response cookies without the sameSite attribute.
Spring Framework 7.0.0 - 7.0.8
Spring Framework 6.2.0 - 6.2.19
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 35.21%
Affected Products (NVD)
VendorProductVersion
vmwarespring_framework
6.2.0 ≤
𝑥
< 6.2.20
vmwarespring_framework
7.0.0 ≤
𝑥
< 7.0.8.1
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libspring-java
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://spring.io/security/cve-2026-47889