{
"id": "GHSA-hw5c-xm3c-v96w",
"aliases": [
"CVE-2026-40986"
],
"details": "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.\n\nAffected versions:\nSpring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.",
"summary": "Spring Web Flow JS RemotingHandler renders non-HTML Response as HTML",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.0.1"
}
]
}
],
"package": {
"name": "org.springframework.webflow:spring-webflow",
"ecosystem": "Maven"
},
"versions": [
"4.0.0"
]
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.0.2"
}
]
}
],
"package": {
"name": "org.springframework.webflow:spring-webflow",
"ecosystem": "Maven"
},
"database_specific": {
"last_known_affected_version_range": "<= 3.0.1"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "2.5.1"
}
]
}
],
"package": {
"name": "org.springframework.webflow:spring-webflow",
"ecosystem": "Maven"
}
}
],
"modified": "2026-08-18T20:14:20Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N"
}
],
"published": "2026-06-11T09:31:55Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40986",
"type": "ADVISORY"
},
{
"url": "https://github.com/spring-projects/spring-webflow",
"type": "PACKAGE"
},
{
"url": "https://spring.io/security/cve-2026-40986",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-79"
],
"severity": "MODERATE",
"github_reviewed": true,
"nvd_published_at": "2026-06-11T07:16:26Z",
"github_reviewed_at": "2026-08-18T20:14:20Z"
}
}