CVE-2026-47885

Spring Framework maxPartSize Ignored in PartEventHttpMessageReader

State: Published
Severity: 7.5 High
Published: Aug 27, 2026
Updated: Aug 27, 2026
Reserved: May 20, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	CISA-ADP

Weaknesses

CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
Spring FrameworkSpring	7.0.0 through 7.0.8Affected 6.2.0 through 6.2.19Affected 6.1.0 through 6.1.28Affected

References

https://spring.io/security/cve-2026-47885

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