CVE-2026-47885 PUBLISHED

Spring Framework maxPartSize Ignored in PartEventHttpMessageReader

Assigner: vmware
Reserved: 20.05.2026 Published: 27.08.2026 Updated: 27.08.2026

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

Product Status

Vendor Spring
Product Spring Framework
Versions Default: unaffected
  • affected from 7.0.0 to 7.0.8 (incl.)
  • affected from 6.2.0 to 6.2.19 (incl.)
  • affected from 6.1.0 to 6.1.28 (incl.)

References

Problem Types

  • CWE-770 Allocation of Resources Without Limits or Throttling CWE

Impacts

  • The PartEventHttpMessageReader in Spring WebFlux does not enforce the maxPartSize limit when maxInMemorySize is set to -1.