CVE-2026-82291: HeyForm Reflects Any Origin in CORS Responses While Allowing Credentials
Fixed in 3.0.0-rc.8 · Affected: heyform before 3.0.0-rc.8 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 46% of scored CVEs
DescriptionCVE.org
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 products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- heyform · heyformbefore 3.0.0-rc.8
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- heyform
- Published
- August 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-82291 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.