{
"id": "GHSA-69g7-vm8m-997r",
"aliases": [
"CVE-2026-82291"
],
"details": "HeyForm before 3.0.0-rc.8 reflects the request Origin header in CORS responses while allowing credentials, enabling cross-origin requests with authentication. Attackers can execute authenticated GraphQL queries from malicious pages visited by logged-in users to access workspaces, projects, forms, submissions, and respondent data, or modify account settings.",
"affected": [],
"modified": "2026-08-28T21:31:28Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"
}
],
"published": "2026-08-28T21:31:28Z",
"references": [
{
"url": "https://github.com/heyform/heyform/security/advisories/GHSA-fg7j-rmgr-rc9g",
"type": "WEB"
},
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82291",
"type": "ADVISORY"
},
{
"url": "https://github.com/heyform/heyform/commit/bf9d738ca70ae5641c0c7372982b00365c5144d4",
"type": "WEB"
},
{
"url": "https://github.com/heyform/heyform",
"type": "WEB"
},
{
"url": "https://github.com/heyform/heyform/blob/v3.0.0-rc.7/packages/server/src/main.ts",
"type": "WEB"
},
{
"url": "https://www.vulncheck.com/advisories/heyform-reflects-any-origin-in-cors-responses-while-allowing-credentials",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-942"
],
"severity": "HIGH",
"github_reviewed": false,
"nvd_published_at": "2026-08-28T20:20:20Z",
"github_reviewed_at": null
}
}