Description
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
Published: 2026-08-26
Score: 6.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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References
History

Thu, 27 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 27 Aug 2026 01:45:00 +0000

Type Values Removed Values Added
First Time appeared Spring
Spring spring Integration
Weaknesses CWE-20
CWE-415
Vendors & Products Spring
Spring spring Integration

Thu, 27 Aug 2026 00:30:00 +0000

Type Values Removed Values Added
Description 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
Title JsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class without an allow-list
References
Metrics cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'}


Subscriptions

Spring Spring Integration
cve-icon MITRE

Status: PUBLISHED

Assigner: vmware

Published:

Updated: 2026-08-27T15:12:42.355Z

Reserved: 2026-05-20T10:00:55.156Z

Link: CVE-2026-47856

cve-icon Vulnrichment

Updated: 2026-08-27T15:12:36.363Z

cve-icon NVD

Status : Received

Published: 2026-08-27T01:17:32.487

Modified: 2026-08-27T17:18:29.970

Link: CVE-2026-47856

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-27T01:30:13Z

Weaknesses