Vulnerability Description
Spring MVC and WebFlux applications are vulnerable to cache poisoning when resolving static resources. More precisely, an application can be vulnerable when all the following are true: * the application is using Spring MVC or Spring WebFlux * the application is configuring the resource chain support https://docs.spring.io/spring-framework/reference/web/webmvc/mvc-config/static-resources.html#page-title with caching enabled * the application adds support for encoded resources resolution * the resource cache must be empty when the attacker has access to the application When all the conditions above are met, the attacker can send malicious requests and poison the resource cache with resources using the wrong encoding. This can cause a denial of service by breaking the front-end application for clients.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vmware | Spring Framework | < 5.3.48 |
Related Weaknesses (CWE)
References
- https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator?vector=AV:N/AC:H/PR:N/UI:R/US Government Resource
- https://spring.io/security/cve-2026-22741Vendor Advisory
FAQ
What is CVE-2026-22741?
CVE-2026-22741 is a vulnerability with a CVSS score of 3.1 (LOW). Spring MVC and WebFlux applications are vulnerable to cache poisoning when resolving static resources. More precisely, an application can be vulnerable when all the following are true: * the app...
How severe is CVE-2026-22741?
CVE-2026-22741 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-22741?
Check the references section above for vendor advisories and patch information. Affected products include: Vmware Spring Framework.