Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 10.7%
CVSS Severity
CVSS v3 Score 4.8
References
Products affected by CVE-2026-40986
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cpe:2.3:a:broadcom:spring_web_flow:*
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cpe:2.3:a:broadcom:spring_web_flow:4.0.0