CVE-2026-82291

{"id": "CVE-2026-82291", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-82291", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-31T18:58:33.669103Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "heyform", "product": "heyform", "versions": [{"status": "affected", "version": "0", "lessThan": "3.0.0-rc.8", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-28T20:20:20.820", "references": [{"url": "https://github.com/heyform/heyform", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/heyform/heyform/blob/v3.0.0-rc.7/packages/server/src/main.ts", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/heyform/heyform/commit/bf9d738ca70ae5641c0c7372982b00365c5144d4", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/heyform/heyform/security/advisories/GHSA-fg7j-rmgr-rc9g", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/heyform-reflects-any-origin-in-cors-responses-while-allowing-credentials", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/heyform/heyform/security/advisories/GHSA-fg7j-rmgr-rc9g", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Received", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-942"}]}], "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."}], "lastModified": "2026-08-31T19:17:18.407", "sourceIdentifier": "disclosure@vulncheck.com"}