Spring Framework 6.x-7.x Unenforced PartSize in PartEventHttpMessageReader
CVE-2026-47885 Published on August 27, 2026
Spring Framework maxPartSize Ignored in PartEventHttpMessageReader
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
Products Associated with CVE-2026-47885
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Affected Versions
Spring Framework:- Version 7.0.0, <= 7.0.8 is affected.
- Version 6.2.0, <= 6.2.19 is affected.
- Version 6.1.0, <= 6.1.28 is affected.