CVE-2026-47891 PUBLISHED

Spring Framework maxInMemorySize Bypassed in Jaxb2Decoder

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

A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit. Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49 Spring Framework 5.2.25.RELEASE and earlier

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.)
  • affected from 6.0.0 to 6.0.30 (incl.)
  • affected from 5.3.0 to 5.3.49 (incl.)
  • affected from 0 to 5.2.25.RELEASE (incl.)

References

Problem Types

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

Impacts

  • A Spring WebFlux application that relies on the Aalto XML processor to parse XML input does not correctly enforce the maxInMemorySize limit.