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VMwareCVE-2026-47856

VMware Spring Integration: unsafe deserialization

Medium6.3CVE-2026-47856 · Published Aug 27, 2026 · updated Sep 4, 2026

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

VMware advisory

Affected versions

PackageAffectedFixed in
Spring Integration
Product
<= 7.1.0No fix yet
>= 7.0.0, <= 7.0.5No fix yet
>= 6.5.0, <= 6.5.10No fix yet
>= 6.4.0, <= 6.4.12No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-502

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