8.1Alta
CVE-2026-109346better-auth 1.3.8-beta.3 before 1.7.0-rc.3 Device Authorization Phishing via /device
Descripción
better-auth from 1.3.8-beta.3 before 1.7.0-rc.3 contains a UI misrepresentation vulnerability in the deviceAuthorization plugin because GET /device omits the requesting client_id and scope. Attackers can start a device request via /device/code, trick signed-in users into approving the code, then redeem it at /device/token for a live session token.
Debilidad (CWE):
CWE-451
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
| Fabricante | Producto | Versiones | |
|---|---|---|---|
| better-auth | better-auth | 1.3.8-beta.3 – < 1.7.0-rc.3, fixed 1.7.0-rc.3 |
Referencias y parches
- GitHub Security Advisory (GHSA-q84f-53jg-9ppm) vendor-advisory
- VulnCheck Advisory: better-auth 1.3.8-beta.3 before 1.7.0-rc.3 Device Authorization Phishing via /device third-party-advisory