{"id":"CVE-2026-82291","summary":"HeyForm Reflects Any Origin in CORS Responses While Allowing Credentials","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.","aliases":["GHSA-fg7j-rmgr-rc9g"],"modified":"2026-09-02T03:30:22.642073580Z","published":"2026-08-28T16:19:07.930Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-942"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82291.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82291.json"},{"type":"ADVISORY","url":"https://github.com/heyform/heyform/security/advisories/GHSA-fg7j-rmgr-rc9g"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82291"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/heyform-reflects-any-origin-in-cors-responses-while-allowing-credentials"},{"type":"FIX","url":"https://github.com/heyform/heyform/commit/bf9d738ca70ae5641c0c7372982b00365c5144d4"},{"type":"PACKAGE","url":"https://github.com/heyform/heyform"},{"type":"ARTICLE","url":"https://github.com/heyform/heyform/blob/v3.0.0-rc.7/packages/server/src/main.ts"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/heyform/heyform","events":[{"introduced":"0"},{"fixed":"6f8cdc7dd5b4d3789c726e9d5e4f05f6edcd3eb8"},{"fixed":"bf9d738ca70ae5641c0c7372982b00365c5144d4"}],"database_specific":{"source":["DESCRIPTION","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"3.0.0-rc.8"}]}}],"versions":["v3.0.0-rc.7","v3.0.0-rc.6","v3.0.0-rc.5","v3.0.0-rc.4","v3.0.0-rc.3","v3.0.0-rc.2","v3.0.0-rc.1","v3.0.0-alpha.3","v3.0.0-alpha-2","v0.1.0","v0.0.17","v0.0.16","v0.0.15","v0.0.13","v0.0.12","v0.0.11","v0.0.10","v0.0.9","v0.0.8","v0.0.7","v0.0.6","v0.0.5","v0.0.4","v0.0.3","v0.0.2","v0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-82291.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"}]}