CVE-2026-41842: Spring Framework Denial of Service via Versioned Resources in Spring MVC and WebFlux

June 9, 2026 (updated July 30, 2026)

Spring MVC and WebFlux applications are vulnerable to Denial of Service (DoS) attacks when resolving static resources.

Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

References

github.com/advisories/GHSA-x23c-287f-qqv5
github.com/spring-projects/spring-framework/releases/tag/v6.2.19
github.com/spring-projects/spring-framework/releases/tag/v7.0.8
nvd.nist.gov/vuln/detail/CVE-2026-41842
spring.io/security/cve-2026-41842

Code Behaviors & Features

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