CVE-2026-47891
Last modified
CVE-2026-47891 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Vmware | Spring Framework | < 5.2.26 |
| Vmware | Spring Framework | >= 5.3.0, < 5.3.50 |
| Vmware | Spring Framework | >= 6.0.0, < 6.0.31 |
| Vmware | Spring Framework | >= 6.1.0, < 6.1.29 |
| Vmware | Spring Framework | >= 6.2.0, < 6.2.20 |
| Vmware | Spring Framework | >= 7.0.0, < 7.0.8.1 |
References
- https://spring.io/security/cve-2026-47891Vendor 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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