CVE-2026-109346

Published: Ott 12, 2026 Last Modified: Ott 12, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: active
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH 8,1
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none

Description

AI Translation Available

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.

451

User Interface (UI) Misrepresentation of Critical Information

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Non-Repudiation Access Control
Potential Impacts:
Hide Activities Bypass Protection Mechanism
Applicable Platforms
All platforms may be affected
View CWE Details
https://github.com/better-auth/better-auth/security/advisor…
https://github.com/better-auth/better-auth/security/advisories/GHSA-q84f-53jg-9…
https://www.vulncheck.com/advisories/better-auth-1.3.8-beta…
https://www.vulncheck.com/advisories/better-auth-1.3.8-beta.3-before-1.7.0-rc.3…