Bug 2449347 (CVE-2026-22735)

Summary: CVE-2026-22735 org.springframework/spring-webmvc: org.springframework/spring-webflux: Spring MVC and WebFlux: Stream corruption vulnerability when using Server-Sent Events
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: abrianik, aschwart, asoldano, ataylor, bbaranow, bmaxwell, boliveir, bstansbe, dbruscin, dhanak, dlofthou, drosa, fmariani, ggrzybek, gmalinko, ibek, istudens, ivassile, iweiss, janstey, jrokos, kaycoth, kvanderr, kverlaen, mnovotny, mosmerov, mposolda, msvehla, nwallace, parichar, pberan, pbizzarr, pdelbell, pesilva, pjindal, pmackay, rmartinc, rstancel, rstepani, sausingh, sdawley, smaestri, ssilvert, sthorger, tasato, tcunning, thjenkin, vdosoudi, vmuzikar, yfang
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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A flaw was found in Spring MVC and WebFlux. A remote attacker with low privileges could exploit this vulnerability, requiring user interaction. This could lead to stream corruption, potentially affecting the integrity of data being transmitted.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2449797, 2449798    
Bug Blocks:    

Description OSIDB Bzimport 2026-03-20 00:02:40 UTC
Spring MVC and WebFlux applications are vulnerable to stream corruption when using Server-Sent Events (SSE). This issue affects Spring Foundation: from 7.0.0 through 7.0.5, from 6.2.0 through 6.2.16, from 6.1.0 through 6.1.25, from 5.3.0 through 5.3.46.