CVE-2026-41840

MEDIUM

Spring Framework Denial of Service via Multipart Requests in WebFlux

Title source: cna
STIX 2.1

Description

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 (1)

Core 1

Scores

CVSS v3 5.9
EPSS 0.0025
EPSS Percentile 16.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401
Status published
Products (11)
org.springframework/spring-webflux 0 - 5.3.39Maven
org.springframework/spring-webflux 6.1.0 - 6.1.21Maven
org.springframework/spring-webflux 6.2.0 - 6.2.19Maven
org.springframework/spring-webflux 7.0.0 - 7.0.8Maven
Spring/Spring Framework 5.3.0 - 5.3.49
Spring/Spring Framework 6.1.0 - 6.1.28
Spring/Spring Framework 6.2.0 - 6.2.18.1
Spring/Spring Framework 6.2.0 - 6.2.19
Spring/Spring Framework 7.0.0 - 7.0.7.1
Spring/Spring Framework 7.0.0 - 7.0.8
... and 1 more
Published Jun 09, 2026
Tracked Since Jun 09, 2026