Spring Web Flow CVEs and Security Vulnerabilities

CVE-2026-40985

Data Binding Vulnerability in Spring Web Flow with Unified EL Parser

Applications that configure the WebFlowELExpressionParser are vulnerable to the use of malicious Unified EL expressions. Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.

CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed

Vendors

Broadcom Spring

Products

Spring Web Flow Spring Web Flow

CVE-2026-40986

Spring Web Flow JS RemotingHandler renders non-HTML Response as HTML

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 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed