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GHSA-83f7-v6px-pp3h

Spring Framework Denial of Service via Multipart Requests in WebFlux

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-41840

Packages

EcosystemPackageAffectedFixed in
Maven org.springframework:spring-webflux >= 7.0.0, < 7.0.8 7.0.8
Maven org.springframework:spring-webflux >= 6.2.0, < 6.2.19 6.2.19
Maven org.springframework:spring-webflux >= 6.1.0, <= 6.1.21 no fix listed
Maven org.springframework:spring-webflux <= 5.3.39 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

Spring WebFlux applications are vulnerable to Denial of Service (DoS) attacks when processing multipart requests. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

References

External links from the advisory. They lead to third-party sites.