GHSA-9qf2-26p9-2q2qCriticalCVSS 9.8

Spring Framework Header Predicate Bypass in WebFlux Functional Endpoints

Published
August 27, 2026
Last Modified
October 7, 2026

🔗 CVE IDs covered (1)

📋 Description

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

🎯 Affected products6

  • maven/org.springframework:spring-webflux:>= 5.2.5.RELEASE, <= 5.2.25.RELEASE
  • maven/org.springframework:spring-webflux:>= 5.3.0, <= 5.3.49
  • maven/org.springframework:spring-webflux:>= 6.0.0, <= 6.0.30
  • maven/org.springframework:spring-webflux:>= 6.1.0, <= 6.1.28
  • maven/org.springframework:spring-webflux:>= 6.2.0, <= 6.2.19
  • maven/org.springframework:spring-webflux:>= 7.0.0, <= 7.0.8

🔗 References (3)