CVE-2026-47856 — JsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class without an allow-list
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 ClassUtil…
Published: 2026-08-26 · CVSS: 6.3 · CVSS 3.1
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
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7