Better-auth: Device Login Approval Does Not Show The Requesting Client Or Permissions

Am I affected? You may be affected if you use "better-auth" from "1.3.8-beta.3" up to, but not including, "1.7.0-rc.3", and you enable the "deviceAuthorization" plugin. This range includes all 1.6 releases. You are affected only if all of these are also true: - An attacker can start a device...

better-auth: Device login approval does not show the requesting client or permissions

Am I affected? You may be affected if you use better-auth from 1.3.8-beta.3 up to, but not including, 1.7.0-rc.3, and you enable the deviceAuthorization plugin. This range includes all 1.6 releases. You are affected only if all of these are also true: - An attacker can start a device request:...

GHSA-Q84F-53JG-9PPM better-auth: Device login approval does not show the requesting client or permissions

Am I affected? You may be affected if you use better-auth from 1.3.8-beta.3 up to, but not including, 1.7.0-rc.3, and you enable the deviceAuthorization plugin. This range includes all 1.6 releases. You are affected only if all of these are also true: - An attacker can start a device request:...

User Interface (UI) Misrepresentation of Critical Information

Overview better-auth is a The most comprehensive authentication library for TypeScript. Affected versions of this package are vulnerable to User Interface UI Misrepresentation of Critical Information via the deviceAuthorization plugin's GET /device endpoint, which omits the requesting clientid an...

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 requesting clientid and scope. Attackers can start a device request via /device/code, trick signed-in users into approving the code, then...

CVE-2026-109346 better-auth 1.3.8-beta.3 before 1.7.0-rc.3 Device Authorization Phishing via /device

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 clientid and scope. Attackers can start a device request via /device/code, trick signed-in users into approving the code, then...

CVE-2026-109346

The better-auth library versions 1.3.8-beta.3 before 1.7.0-rc.3 is vulnerable to a UI misrepresentation issue within the deviceAuthorization plugin. The root cause is that the GET /device endpoint fails to include the requesting client_id and scope . This allows an attacker to initiate a device r...

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 requesting clientid and scope. Attackers can start a device request via /device/code, trick signed-in users into approving the code, then...

EUVD-2026-97648

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 clientid and scope. Attackers can start a device request via /device/code, trick signed-in users into approving the code, then...

CVE-2026-109346 better-auth 1.3.8-beta.3 before 1.7.0-rc.3 Device Authorization Phishing via /device

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 clientid and scope. Attackers can start a device request via /device/code, trick signed-in users into approving the code, then...

CVE-2026-109346 better-auth 1.3.8-beta.3 before 1.7.0-rc.3 Device Authorization Phishing via /device

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 clientid and scope. Attackers can start a device request via /device/code, trick signed-in users into approving the code, then...

PT-2026-110763

Name of the Vulnerable Software and Affected Versions better-auth versions 1.3.8-beta.3 through 1.7.0-rc.2 Description The deviceAuthorization plugin contains a UI misrepresentation issue. The endpoint 'GET /device' fails to display the requesting client id and scope. This allows an attacker to...

CVE-2026-109346: User Interface (UI) Misrepresentation of Critical Information

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 clientid and scope. Attackers can start a device request via /device/code, trick signed-in users into approving the code, then...

CVE-2026-45337

Better Auth is an authentication and authorization library for TypeScript. From 1.6.0 until 1.6.11, the deviceAuthorization plugin treats any authenticated session as the owner of any pending device code because GET /device does not claim the row and POST /device/approve and POST /device/deny...

CVE-2026-45337: Improper Authorization

Better Auth is an authentication and authorization library for TypeScript. From 1.6.0 until 1.6.11, the deviceAuthorization plugin treats any authenticated session as the owner of any pending device code because GET /device does not claim the row and POST /device/approve and POST /device/deny...