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CVE PROGRAM SOURCE RECORD8.5 High

CVE-2026-109346

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

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Status
Published
Published
Updated
Assigning organization
VulnCheck

Description

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

better-auth better-auth

Default version status: unaffected

  • 1.3.8-beta.3 to < 1.7.0-rc.3affected
  • 1.7.0-rc.3unaffected
pkg:npm/better-auth

References