Spring Framework Server Sent Event stream corruption while rendering fragments
Priority MEDIUM 50CWE-93Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 1 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat.
Summary
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
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00564 47th percentileScored 2026-11-07
Fix Partial org.springframework:spring-webflux (Maven): 7.0.9org.springframework:spring-webmvc (Maven): 7.0.9Red Hat: 1 advisoryRed Hat: 1 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| VMware | Spring Framework | 7.0.0 – 7.0.8; 6.2.0 – 6.2.19 | — | No fix listed | CNA |
| — | org.springframework:spring-webflux (Maven) | 6.2.0 – 6.2.19 | — | No fix listed | GHSA-j9f9-w8pj-32f8 |
| — | org.springframework:spring-webflux (Maven) | 7.0.0 to before 7.0.9 | 7.0.9 | Patch available | GHSA-j9f9-w8pj-32f8 |
| — | org.springframework:spring-webmvc (Maven) | 6.2.0 – 6.2.19 | — | No fix listed | GHSA-j9f9-w8pj-32f8 |
| — | org.springframework:spring-webmvc (Maven) | 7.0.0 to before 7.0.9 | 7.0.9 | Patch available | GHSA-j9f9-w8pj-32f8 |
- Spring Framework VendorVMware Affected 7.0.0 – 7.0.8; 6.2.0 – 6.2.19 Fixed in — No fix listed CNA
- org.springframework:spring-webflux (Maven) Vendor— Affected 6.2.0 – 6.2.19 Fixed in — No fix listed GHSA-j9f9-w8pj-32f8
- org.springframework:spring-webflux (Maven) Vendor— Affected 7.0.0 to before 7.0.9 Fixed in 7.0.9 Patch available GHSA-j9f9-w8pj-32f8
- org.springframework:spring-webmvc (Maven) Vendor— Affected 6.2.0 – 6.2.19 Fixed in — No fix listed GHSA-j9f9-w8pj-32f8
- org.springframework:spring-webmvc (Maven) Vendor— Affected 7.0.0 to before 7.0.9 Fixed in 7.0.9 Patch available GHSA-j9f9-w8pj-32f8
Remediation
- Fix · GHSA-j9f9-w8pj-32f8 org.springframework:spring-webflux (Maven) Fixed in 7.0.9 Advisory →
- Fix · GHSA-j9f9-w8pj-32f8 org.springframework:spring-webmvc (Maven) Fixed in 7.0.9 Advisory →
Red Hat 1 advisory
- RHSA-2026:90321 Released 2026-10-26 · Red Hat rating CriticalRed Hat OpenShift Dev Spaces 3.31.0 Release.
- Red Hat OpenShift Dev Spaces 3.31 registry.redhat.io/devspaces/code-rhel9, registry.redhat.io/devspaces/dashboard-rhel9, registry.redhat.io/devspaces/jetbrains-ide-rhel9 +8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat build of Apache Camel - HawtIO 4 | Affected | No fix yet |
| Red Hat OpenShift Dev Spaces 3.31 | Fixed | RHSA-2026:90321 |
Not affected: 1 product
- Red Hat OpenShift Dev Spaces 3.31
Timeline
- 2026-10-02 Threatist record created from CVE-2026-47890
- 2026-10-03 Alias added: GHSA-j9f9-w8pj-32f8
- 2026-10-07 Fix available: Maven/org.springframework:[email protected], Maven/org.springframework:[email protected] · GHSA-j9f9-w8pj-32f8
- 2026-10-07 CVSS score added · GHSA-j9f9-w8pj-32f8
- 2026-10-07 Weakness changed · GHSA-j9f9-w8pj-32f8
- 2026-10-07 3 new references · GHSA-j9f9-w8pj-32f8
- 2026-10-30 Fix available: RHSA-2026:90321 · Red Hat
- 2026-10-30 Fix available: Red Hat OpenShift Dev Spaces 3.31 · Red Hat
References
More VMware Spring Framework vulnerabilities
- TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
- TI-2018-01175 Code injection in Spring Framework CVSS 3.1CRITICAL 9.8
- TI-2020-04444 RFD Attack via "Content-Disposition" Header Sourced from Request Input by Spring MVC or Spring WebFlux Application CVSS 3.1HIGH 7.5
- TI-2018-01180 Code injection in Spring Framework CVSS 3.1CRITICAL 9.8
- TI-2016-09283 Pivotal Spring Framework through 5.3.16 suffers from a potential remote code execution… CVSS 3.1CRITICAL 9.8
- TI-2014-00050 The Jaxb2RootElementHttpMessageConverter in Spring MVC in Spring Framework before 3.2.8… CVSS 2.0MEDIUM 6.8
Sources
- CVE-2026-47890 · CVE Program
- CVE-2026-47890 · NVD
- FIRST EPSS
- GHSA-j9f9-w8pj-32f8 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-47890 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences