CVE-2026-47856
JsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class without an allow-list
CVSS Score
6.3
EPSS Score
0.0%
EPSS Percentile
0th
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
| Vendor | spring |
| Product | spring integration |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Aug 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
Spring / Spring Integration
7.1.0 7.0.0 ≤ 7.0.5 6.5.0 ≤ 6.5.10 6.4.0 ≤ 6.4.12 0 ≤ 5.5.21