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GHSA-9qf2-26p9-2q2q

Spring Framework Header Predicate Bypass in WebFlux Functional Endpoints

Source: GitHub Advisory Database (reviewed) Critical CVE-2026-47892

Packages

EcosystemPackageAffectedFixed in
Maven org.springframework:spring-webflux >= 5.2.5.RELEASE, <= 5.2.25.RELEASE no fix listed
Maven org.springframework:spring-webflux >= 5.3.0, <= 5.3.49 no fix listed
Maven org.springframework:spring-webflux >= 6.0.0, <= 6.0.30 no fix listed
Maven org.springframework:spring-webflux >= 6.1.0, <= 6.1.28 no fix listed
Maven org.springframework:spring-webflux >= 6.2.0, <= 6.2.19 no fix listed
Maven org.springframework:spring-webflux >= 7.0.0, < 7.0.9 7.0.9

Details

As written in the advisory (Markdown source, shown as plain text).

A WebFlux application using functional endpoints and deployed with DispatcherServlet may be vulnerable to a header predicate bypass in a pre-flight request. 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 5.2.5.RELEASE - 5.2.25.RELEASE

References

External links from the advisory. They lead to third-party sites.