CVE-2026-47892
WebFlux application using functional endpoints and deployed with DispatcherServlet may be…
Technology
Spring Framework
CVSS Score
9.8 / 10.0
Affected Versions
>=5.2.5 <5.2.26; >=5.3.0 <5.3.50; >=6.0.0 <6.0.31; >=6.1.0 <6.1.29
Upstream Fix
See upstream advisory
Published
August 27, 2026
OSSeva Coverage
Fixed upstream
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
Is your Spring Framework deployment affected?
If you're running >=5.2.5 <5.2.26; >=5.3.0 <5.3.50; >=6.0.0 <6.0.31; >=6.1.0 <6.1.29, you need this patch. Book a discovery call to get covered.