CVE-2026-47892 Security Details

CVE ID

CVE-2026-47892

CWE

CWE-863

CVE 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

Published

Aug 20, 2026

CVSS Score & Severity

6.3Medium

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

EPSS Score

0.529%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/springframework/web/reactive/function/server/RouterFunctions$RouterFunctionWebHandler.handle(Lorg/springframework/web/server/ServerWebExchange;)Lreactor/core/publisher/Mono;

JVMVulnerable params: 0

Affected Ecosystems

affected

Source

National Vulnerability Database

References

spring.ioPROJECT