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Spring Framework Multipart Request Smuggling in Spring MVC and WebFlux

Spring Framework Multipart Request Smuggling in Spring MVC and WebFlux

CVE-2026-41853Published 1 month agoUpdated 5 days agoSource: OSV

Affected packages

  • org.springframework:spring-webflux— 7.0.0 → 7.0.8
  • org.springframework:spring-webmvc— 7.0.0 → 7.0.8

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
0.19%
EPSS percentile
8.4%

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 8%.

Sources

Structured record: https://osv.dev/vulnerability/GHSA-cjpg-rgq5-fr37

Recommended response stack

Snyk — Scan your dependencies in CI and fix this vulnerability.→

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Spring Framework Multipart Request Smuggling in Spring MVC and WebFlux | HackTribune