CVE-2026-47856

EUVD-2026-66823
Spring Integration's JSON to object conversion uses the json__TypeId__ header to choose the deserialization target type, and resolves that header value to a class with ClassUtils.forName and no type/package allow-list.
Spring Integration 7.1.0
Spring Integration 7.0.0 - 7.0.5
Spring Integration 6.5.0 - 6.5.10
Spring Integration 6.4.0 - 6.4.12
Spring Integration 5.5.21 and earlier
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 22.36%
Affected Products (NVD)
VendorProductVersion
vmwarespring_integration
𝑥
< 5.5.22
vmwarespring_integration
6.4.0 ≤
𝑥
< 6.4.13
vmwarespring_integration
6.5.0 ≤
𝑥
< 6.5.11
vmwarespring_integration
7.0.0 ≤
𝑥
< 7.0.5.1
vmwarespring_integration
7.1.0 ≤
𝑥
< 7.1.0.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://spring.io/security/cve-2026-47856