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OpenAdvisories
Medium · 6.5 CVE-2026-22740 EUVD-2026-26205GHSA-5843-p793-ghmm

Spring Framework DoS with Multipart Temp Files in WebFlux

Published Apr 29, 2026 · Updated Apr 29, 2026 · Assigned by vmware

Description

A WebFlux server application that processes multipart requests creates temp files for parts larger than 10 K. Under some circumstances, temp files may remain not deleted after the request is fully processed. This allows an attacker to consume available disk space.

Older, unsupported versions are also affected.

Affected products

VendorProductAffectedFixed
VMware Spring Framework 7.0.0 – < 7.0.7, 6.2.0 – < 6.2.18, 6.1.0 – < 6.1.27, 5.3.0 – < 5.3.48 7.0.7

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 libspring-java No fix yet —
Debian 13 libspring-java No fix yet —
Debian 12 libspring-java No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 libspring-java No fix yet —
Ubuntu 26.04 LTS libspring-java No fix yet —
Ubuntu 25.10 libspring-java No fix yet —
Show 6 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 24.04 LTS libspring-java No fix yet —
Ubuntu Pro 22.04 LTS libspring-java No fix yet —
Ubuntu Pro 20.04 LTS libspring-java No fix yet —
Ubuntu Pro 18.04 LTS libspring-java No fix yet —
Ubuntu Pro 16.04 LTS libspring-java No fix yet —
Ubuntu Pro 14.04 LTS libspring-java No fix yet —

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling thingsboard-tb-node 4.3.1.1-r11 —

Affected packages

EcosystemPackageAffectedFixedRecord
Maven org.springframework:spring-webflux >= 7.0.0, < 7.0.7 7.0.7 GHSA-5843-p793-ghmm
Maven org.springframework:spring-webflux >= 6.2.0, < 6.2.18 6.2.18 GHSA-5843-p793-ghmm
Maven org.springframework:spring-webflux >= 6.1.0, <= 6.1.26 — GHSA-5843-p793-ghmm
Maven org.springframework:spring-webflux <= 5.3.47 — GHSA-5843-p793-ghmm

Advisories 2

References