MEDIUM 6.3 NVD

CVE-2026-47856

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 cla

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

References

https://spring.io/security/cve-2026-47856

Published: 2026-08-27 · Source: NVD · Feed updated: 2026-08-27

This medium severity vulnerability with a CVSS score of 6.3 was published on 2026-08-27 via NVD.

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