CVE-2026-47856
Published:August 26, 2026
Updated:September 24, 2026
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 Packages
https://github.com/spring-projects/spring-integration.git (GITHUB):
Affected version(s) >=v7.0.0 <v7.0.6Fix Suggestion:
Update to version v7.0.6https://github.com/spring-projects/spring-integration.git (GITHUB):
Affected version(s) =v7.1.0 <v7.1.1Fix Suggestion:
Update to version v7.1.1org.springframework.integration:spring-integration-core (JAVA):
Affected version(s) =7.1.0 <7.1.1Fix Suggestion:
Update to version 7.1.1org.springframework.integration:spring-integration-core (JAVA):
Affected version(s) >=7.0.0 <7.0.6Fix Suggestion:
Update to version 7.0.6Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Weakness Type (CWE)
Deserialization of Untrusted Data
EPSS
Base Score:
0.24