Missing Release of Memory after Effective Lifetime Affecting org.springframework:spring-web package, versions [5.3.0, 6.0.0)[6.1.0, 6.2.19)[7.0.0-M1, 7.0.8)
Threat Intelligence
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- published9 Jun 2026
- disclosed8 Jun 2026
- creditUnknown
Introduced: 8 Jun 2026
NewCVE-2026-41840 (opens in a new tab)How to fix?
Upgrade org.springframework:spring-web to version 6.0.0, 6.2.19, 7.0.8 or higher.
Overview
org.springframework:spring-web is a package that provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.
Affected versions of this package are vulnerable to Missing Release of Memory after Effective Lifetime via multipart request processing in Spring WebFlux. An attacker can cause denial of service by sending crafted multipart requests that trigger a memory leak during request processing, leading to excessive memory consumption and potentially causing the application to become unavailable.
Note: This is only exploitable if the application uses Spring WebFlux and exposes an endpoint that accepts multipart requests.