CVE-2026-41840mediumCWE-401

CVE-2026-41840: medium-severity vulnerability in Spring Framework

Published · Updated

Follow this CVE+ Monitor Spring Framework+ Monitor libspring-java

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.9epss 0.3%
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Spring · Spring Framework
Related CVEs — Spring Framework

In the same product, most dangerous first.

CVE-2020-5398HIGHRFD Attack via "Content-Disposition" Header Sourced from Request Input by Spring MVC or Spring WebFlux ApplicationEPSS 88.3%CVE-2024-22243HIGHCVE-2024-22243: Spring Framework URL Parsing with Host ValidationEPSS 4.0%CVE-2024-22259HIGHCVE-2024-22259: Spring Framework URL Parsing with Host Validation (2nd report)EPSS 2.6%CVE-2020-5397MEDIUMCSRF Attack via CORS Preflight Requests with Spring MVC or Spring WebFluxEPSS 2.6%CVE-2024-22262HIGHCVE-2024-22262: Spring Framework URL Parsing with Host ValidationEPSS 1.2%CVE-2023-34053MEDIUMSpring Framework server Web Observations DoS VulnerabilityEPSS 1.2%