CVE-2026-82291 (GCVE-0-2026-82291)

Vulnerability from cvelistv5 – Published: 2026-08-28 16:19 – Updated: 2026-09-24 14:20
VLAI
Title
HeyForm Reflects Any Origin in CORS Responses While Allowing Credentials
Summary
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.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-31 18:58 UTC
CWE
  • CWE-942 - Permissive Cross-domain Security Policy with Untrusted Domains
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6370 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
heyform heyform Affected: 0 , < 3.0.0-rc.8 (semver)
guessed Create a notification for this product.
Date Public
2026-06-23 00:00
Credits
George Chen
Show details on NVD website
To clipboard 

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