CVE-2026-40986

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.

Score

CVSS 3.1 4.8 Medium

Status

Analyzed - security@vmware.com

Published

2026-06-11

Last modified

2026-06-23

Weaknesses

CWE-79

Affected products

• Spring Web Flow (Broadcom)
• Spring Web Flow (Spring)

References

• https://spring.io/security/cve-2026-40986