TI-2026-35305 Aliases CVE-2026-47856 GHSA-647v-4254-wp99

JsonToObjectTransformer resolves the jsonTypeId message header to an arbitrary class without an allow-list

LOW 28CWE-502Published 2026-08-26 · Updated 2026-08-27

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: Low · Low · Low
Fix status: Will not fix Red Hat: no fix planned

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-502.

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00313 24th percentileScored 2026-11-07

Fix Will not fix Red Hat: no fix planned

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
VMware	Spring Integration	7.1.0; 7.0.0 – 7.0.5; 6.5.0 – 6.5.10; 6.4.0 – 6.4.12; up to 5.5.21	—	No fix listed	CNA

Spring Integration VendorVMware Affected 7.1.0; 7.0.0 – 7.0.5; 6.5.0 – 6.5.10; 6.4.0 – 6.4.12; up to 5.5.21 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:vmware:spring_integration::::::::	before 5.5.22; 6.4.0 to before 6.4.13; 6.5.0 to before 6.5.11; 7.0.0 to before 7.0.5.1; 7.1.0 to before 7.1.0.1	Vulnerable	VMware

cpe:2.3:a:vmware:spring_integration:*:*:*:*:*:*:*:* Versions before 5.5.22; 6.4.0 to before 6.4.13; 6.5.0 to before 6.5.11; 7.0.0 to before 7.0.5.1; 7.1.0 to before 7.1.0.1 Vulnerable ·VMware

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Fuse 7	Affected	No fix planned: Out of support scope

Timeline

2026-10-02 Threatist record created from CVE-2026-47856
2026-10-03 Alias added: GHSA-647v-4254-wp99
2026-11-06 Affected versions changed · Red Hat
2026-11-06 CVSS score added · Red Hat

References

Advisory 1

https://spring.io/security/cve-2026-47856

TI-2026-35313 Unsafe Java deserialization in SerializingHttpMessageConverter — remote code execution CVSS 3.1CRITICAL 9.8
TI-2020-04459 Kryo Configuration Allows Code Execution with Unknown "Serialization Gadgets" CVSS 3.1CRITICAL 9.8
TI-2019-02786 Spring Integration XML External Entity Injection (XXE) CVSS 3.0CRITICAL 9.8
TI-2026-42455 fluxTransform shared RequestMessageHolder causes cross-message header leakage under async fluxFunction CVSS 3.1HIGH 8.2
TI-2026-42439 Deserialization allow-list silently bypassed: setBeanClassLoader replaces deserializer but mapper keeps stale reference CVSS 3.1HIGH 8.0
TI-2026-42425 SMB minimum protocol dialect defaults to SMB1 CVSS 3.1MEDIUM 6.6

See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences