Spring Framework maxPartSize Ignored in PartEventHttpMessageReader
Priority LOW 39CWE-770Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-770.
Summary
The PartEventHttpMessageReader in Spring WebFlux does not enforce the maxPartSize limit when maxInMemorySize is set to -1. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00366 30th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
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; 6.1.0 – 6.1.28 | — | No fix listed | CNA |
- Spring Framework VendorVMware Affected 7.0.0 – 7.0.8; 6.2.0 – 6.2.19; 6.1.0 – 6.1.28 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* | 6.1.0 to before 6.1.29; 6.2.0 to before 6.2.20; 7.0.0 to before 7.0.8.1 | Vulnerable | VMware |
- cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* Versions 6.1.0 to before 6.1.29; 6.2.0 to before 6.2.20; 7.0.0 to before 7.0.8.1 Vulnerable ·VMware
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Fuse 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-47885
- 2026-10-03 Alias added: GHSA-q49m-fm49-9mmx
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-2026-47885 · CVE Program
- CVE-2026-47885 · NVD
- FIRST EPSS
- GHSA-q49m-fm49-9mmx · GitHub Advisory Database · CC BY 4.0
- CVE-2026-47885 · 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