CVE-2026-47856

Summary

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

Affected Software

VendorProductVersion RangeStatus
SpringSpring Integration7.1.0affected
SpringSpring Integration7.0.0 <= 7.0.5affected
SpringSpring Integration6.5.0 <= 6.5.10affected
SpringSpring Integration6.4.0 <= 6.4.12affected
SpringSpring Integration0 <= 5.5.21affected

Weaknesses

  • CWE-502 Deserialization of Untrusted Data

References