CVE-2026-47856

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Source
https://cve.org/CVERecord?id=CVE-2026-47856
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-47856.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-47856
Downstream
CLEANSTART (2)
CLSA (4)
Published
2026-08-26T23:28:43Z
Modified
2026-09-06T03:45:56Z
Severity
  • 6.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
JsonToObjectTransformer resolves the json__TypeId__ message header to an arbitrary class without an allow-list
Details

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

Database specific 
{
    "cna_assigner":  "vmware",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47856.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "introduced":  "7.1.0"
                },
                {
                    "last_affected":  "7.1.0"
                },
                {
                    "introduced":  "7.0.0"
                },
                {
                    "last_affected":  "7.0.5"
                },
                {
                    "introduced":  "6.5.0"
                },
                {
                    "last_affected":  "6.5.10"
                },
                {
                    "introduced":  "6.4.0"
                },
                {
                    "last_affected":  "6.4.12"
                },
                {
                    "last_affected":  "5.5.21"
                }
            ],
            "source":  "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/spring-projects/spring-integration

Affected ranges

Type
GIT
Repo
https://github.com/spring-projects/spring-integration
Events
Introduced
79963f89e3cab04addfe32aa4b419e5ffb73e909
Fixed
ae4c9bb8eff504f26b67cc6ac65fed2c8fb8382e
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:vmware:spring_integration:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "7.1.0"
        },
        {
            "fixed":  "7.1.0.1"
        }
    ],
    "source":  "CPE_RANGE"
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-47856.json"