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GHSA-hw5c-xm3c-v96w

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

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-40986

Packages

EcosystemPackageAffectedFixed in
Maven org.springframework.webflow:spring-webflow >= 4.0.0, < 4.0.1 4.0.1
Maven org.springframework.webflow:spring-webflow >= 3.0.0, < 3.0.2 3.0.2
Maven org.springframework.webflow:spring-webflow <= 2.5.1 no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.