Bug 2525230 (CVE-2026-59313)

Summary: CVE-2026-59313 org.springframework/spring-webmvc: Spring MVC: Stream corruption via Server-Sent Events (SSE)
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, aschwart, aszczucz, boliveir, drichtar, ggrzybek, gmalinko, gtanzill, janstey, jbuscemi, jraez, mposolda, parichar, pdelbell, pjindal, rhel-process-autobot, rmartinc, rstepani, sdawley, ssilvert, sthorger, tasato, vmuzikar, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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A flaw was found in the Spring MVC functional web framework. This vulnerability allows for stream corruption when applications use Server-Sent Events (SSE), a technology for pushing real-time updates from a server to a client. This could lead to unreliable data delivery and impact the integrity of information presented to users.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-08-27 20:18:25 UTC
Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE).
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