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vuln-cve/data/2026/82xxx/CVE-2026-82291.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-82291",
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"state": "PUBLISHED",
"assignerShortName": "VulnCheck",
"dateReserved": "2026-08-28T11:12:54.442Z",
"datePublished": "2026-08-28T16:19:07.930Z",
"dateUpdated": "2026-09-24T14:20:21.130Z"
},
"containers": {
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"shortName": "VulnCheck",
"dateUpdated": "2026-09-24T14:20:21.130Z"
},
"datePublic": "2026-06-23T00:00:00.000Z",
"title": "HeyForm Reflects Any Origin in CORS Responses While Allowing Credentials",
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"description": "Permissive Cross-domain Security Policy with Untrusted Domains",
"cweId": "CWE-942",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "heyform",
"product": "heyform",
"versions": [
{
"version": "0",
"lessThan": "3.0.0-rc.8",
"status": "affected",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
],
"metrics": [
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"format": "CVSS",
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE",
"baseScore": 8.1,
"baseSeverity": "HIGH"
}
}
],
"references": [
{
"url": "https://github.com/heyform/heyform/security/advisories/GHSA-fg7j-rmgr-rc9g",
"tags": [
"vendor-advisory"
],
"name": "GitHub Security Advisory (GHSA-fg7j-rmgr-rc9g)"
},
{
"url": "https://github.com/heyform/heyform/blob/v3.0.0-rc.7/packages/server/src/main.ts",
"tags": [
"technical-description"
],
"name": "Vulnerable code: main.ts"
},
{
"url": "https://github.com/heyform/heyform/commit/bf9d738ca70ae5641c0c7372982b00365c5144d4",
"tags": [
"patch"
],
"name": "Fix commit"
},
{
"url": "https://github.com/heyform/heyform",
"tags": [
"product"
]
},
{
"name": "VulnCheck Advisory: HeyForm Reflects Any Origin in CORS Responses While Allowing Credentials",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/heyform-reflects-any-origin-in-cors-responses-while-allowing-credentials"
}
],
"credits": [
{
"lang": "en",
"value": "George Chen",
"type": "finder"
}
],
"x_generator": {
"engine": "vulncheck-endgame"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/heyform/heyform/security/advisories/GHSA-fg7j-rmgr-rc9g",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-31T18:58:33.669103Z",
"id": "CVE-2026-82291",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
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"shortName": "CISA-ADP",
"dateUpdated": "2026-08-31T18:58:53.299Z"
}
}
]
}
}