CVE-2026-41853 MEDIUM

CVE-2026-41853: Spring Framework Multipart Request Smuggling in Spring MVC and WebFlux

Vendor Spring
Product Spring Framework
Weakness CWE-444
Published June 9, 2026
Last update June 9, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 9, 2026 Record updated