Fluid Attacks Database

Description

Spring Framework Multipart Request Smuggling in Spring MVC and WebFlux Spring MVC and WebFlux applications are vulnerable to Multipart request smuggling attacks.

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.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Component	Affected version	Patched versions
debian 11	libspring-java	=4.3.30-1 \|\| =4.3.30-2 \|\| =4.3.30-3 \|\| =4.3.30-4	-
debian 13	libspring-java	=4.3.30-3 \|\| =4.3.30-4	-
debian 12	libspring-java	=4.3.30-2 \|\| =4.3.30-3 \|\| =4.3.30-4	-
debian 14	libspring-java	=4.3.30-3 \|\| =4.3.30-4	-
rpm rhel9	xbean	-	-
rpm rhel9	resteasy	-	-
rpm rhel8	xbean	-	-
rpm rhel8	resteasy	-	-
rpm rhel7	xbean	-	-
maven	org.springframework:spring-webflux	>=7.0.0 <7.0.8 \|\| >=6.2.0 <6.2.19 \|\| >=6.1.0 <=6.1.21 \|\| >=0 <=5.3.39	7.0.8, 6.2.19

1-10 of 11

Aliases

1. CVE-2026-418532. NVD-2026-418533. OSV-DEBIAN-2026-418534. OSV-2026-418535. GCVE-2026-418536. SECURITY-TRACKER-CVE-2026-41853

References

1. https://github.com/spring-projects/spring-framework/releases/tag/v6.2.192. https://github.com/spring-projects/spring-framework/releases/tag/v7.0.83. https://spring.io/security/cve-2026-41853

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