Advisory [CVE-2026-47885] Spring Framework maxPartSize Ignored in PartEventHttpMessageReader
This security VMware (Broadcom) advisory covers CVE-2026-47885 affecting Spring Framework.
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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 7.0.0 through 7.0.8
- Spring Framework 6.2.0 through 6.2.19
- Spring Framework 6.1.0 through 6.1.28
Official advisory · medium-confidence parse· fetched 56 minutes ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 56 minutes ago·verify at source
Mitigation checklist
- The PartEventHttpMessageReader in Spring WebFlux does not enforce the maxPartSize limit when maxInMemorySize is set to -1.
Official advisory · medium-confidence parse· fetched 56 minutes ago·verify at source
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