CVE-2026-82291

8.1 Élevée

Publiée le 28/08/2026 à 22:20 · Modifiée le 16/09/2026 à 15:42 · Analyse NVD reportée · Source : disclosure@vulncheck.com

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.

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Produits concernés

heyform

Scores CVSS

Version	Score	Source	Vecteur
3.1	8.1 Élevée	disclosure@vulncheck.com	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N`

Faiblesses (CWE)

CWE-942

Références

https://github.com/heyform/heyform
https://github.com/heyform/heyform/blob/v3.0.0-rc.7/packages/server/src/main.ts
https://github.com/heyform/heyform/commit/bf9d738ca70ae5641c0c7372982b00365c5144d4
https://github.com/heyform/heyform/security/advisories/GHSA-fg7j-rmgr-rc9g
https://www.vulncheck.com/advisories/heyform-reflects-any-origin-in-cors-responses-while-allowing-credentials
https://github.com/heyform/heyform/security/advisories/GHSA-fg7j-rmgr-rc9g

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories