CVE-2026-47856
Last modified
CVE-2026-47856 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. 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. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
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
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vmware | Spring Integration | < 5.5.22 |
| Vmware | Spring Integration | >= 6.4.0, < 6.4.13 |
| Vmware | Spring Integration | >= 6.5.0, < 6.5.11 |
| Vmware | Spring Integration | >= 7.0.0, < 7.0.5.1 |
| Vmware | Spring Integration | >= 7.1.0, < 7.1.0.1 |
References
- https://spring.io/security/cve-2026-47856Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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