Bug 2524850 (CVE-2026-47890)

Summary: CVE-2026-47890 org.springframework/spring-webmvc: org.springframework/spring-webflux: Spring Framework: Stream corruption in Server-Sent Events (SSE) with view fragments
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: abrianik, ggrzybek, jraez, parichar, sdawley, tasato
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Spring Framework, affecting its MVC and WebFlux applications. When these applications use Server-Sent Events (SSE) with view fragments, a vulnerability allows for stream corruption. This can lead to unreliable data delivery and potential disruption of services.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-08-27 06:22:17 UTC 
Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE) with view fragments.
Spring Framework 7.0.0 - 7.0.8
Spring Framework 6.2.0 - 6.2.19