CVE•Published 2026-08-28•Modified 2026-08-31•1 article on news•5 live references•NVD data
CVE-2026-82291
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS percentile
22
Exploit Prediction Scoring System · top 78% of all CVEs
Description
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.
Timeline
Published 2026-08-28
Modified 2026-08-31
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common). Live host counts are a Premium feature.
More intel sources (5)
Shodan report
vuln:CVE-2026-82291Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-82291Censys host search filtered to this CVE id.
grep.app
CVE-2026-82291Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-82291GitHub code search for direct mentions.
Google dork
"CVE-2026-82291" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-82291 on GitHub.