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.

CVSS v3 4.8 MEDIUM

4.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://spring.io/security/cve-2026-40986	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:broadcom:spring_web_flow::::::::
	cpe:2.3:a:broadcom:spring_web_flow::::::::
	cpe:2.3:a:broadcom:spring_web_flow:4.0.0:::::::*

History

No history.

Information

Published : 2026-06-11 07:16

Updated : 2026-09-04 18:11

NVD link : CVE-2026-40986

Mitre link : CVE-2026-40986

CVE.ORG link : CVE-2026-40986

JSON object : View

Products Affected

broadcom

spring_web_flow

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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