CVE-2026-47885 Security Details

CVE ID

CVE-2026-47885

CWE

CWE-770

CVE 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

Published

Aug 20, 2026

CVSS Score & Severity

6.0Medium

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EPSS Score

0.366%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/springframework/http/codec/multipart/PartEventHttpMessageReader.createEvents(Lorg/springframework/http/HttpHeaders;Lreactor/core/publisher/Flux;)Lorg/reactivestreams/Publisher;

JVM

Affected Ecosystems

affected

Source

National Vulnerability Database

References

spring.ioPROJECT