high8.1
CVE-2026-109346
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 r…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Better-Auth From 1.3.8-Beta.3 | before 1.7.0-rc.3 |
Versions were read from the advisory text. No structured product data has been published for this record yet.