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 t…
Published: 2026-06-11 · CVSS: 4.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7