TI-2026-42438 Aliases CVE-2026-59306 GHSA-j34j-5m9r-p984

Deserialization of untrusted data in VMware Spring Cloud Stream

LOW 17CWE-502Published 2026-08-27 · Updated 2026-08-28

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.

Summary

Potential for deserialization of untrusted types in Spring Cloud Stream. Spring Cloud Stream 5.0.0 - 5.0.2 Spring Cloud Stream 4.3.0 - 4.3.3 Spring Cloud Stream 4.2.0 - 4.2.6

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00228 13th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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 Cloud Stream	5.0.0 – 5.0.2; 4.3.0 – 4.3.3; 4.2.0 – 4.2.6	—	No fix listed	CNA

Spring Cloud Stream VendorVMware Affected 5.0.0 – 5.0.2; 4.3.0 – 4.3.3; 4.2.0 – 4.2.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:vmware:spring_cloud_stream::::::::	4.2.0 to before 4.2.7; 4.3.0 to before 4.3.4; 5.0.0 to before 5.0.3	Vulnerable	VMware

cpe:2.3:a:vmware:spring_cloud_stream:*:*:*:*:*:*:*:* Versions 4.2.0 to before 4.2.7; 4.3.0 to before 4.3.4; 5.0.0 to before 5.0.3 Vulnerable ·VMware

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2026-59306
2026-10-03 Alias added: GHSA-j34j-5m9r-p984

References

Patch 1

https://spring.io/security/cve-2026-59306

TI-2026-42437 Partition interceptor may be improperly added while sending message CVSS 3.1LOW 3.8
TI-2026-42436 Type confusion in VMware Spring Cloud Stream CVSS 3.1LOW 3.8
TI-2026-42435 Resource allocation without limits in VMware Spring Cloud Stream CVSS 3.1LOW 3.8

Sources

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