CVE-2026-40986

Updated on 11 Jun 2026

Severity

4.8 Medium severity

Details

CVSS score
4.8
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N

Overview

About vulnerability

Spring Web Flow’s JavaScript RemotingHandler renders the body of an error response as HTML even when the response is not “text/html”, which can result in a scripting attack in the user’s browser if the error response from the server contains error details with input reflected from an attacker.

Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.

Details

Spring Web Flow’s JavaScript RemotingHandler renders the body of an error response as HTML even when the response is not “text/html”, which can result in a scripting attack in the user’s browser if the error response from the server contains error details with input reflected from an attacker.

Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.