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P4Verified
CVE-2026-109346: better-auth 1.3.8-beta.3 to before 1.7.0-rc.3
CVE-2026-109346. CVSS 3.1 base score 8.1 (GitHub Advisory Database).
Affected technology
better-auth · 1.3.8-beta.3 to before 1.7.0-rc.3
better-auth
Description’s affected range: before 1.7.0-rc.3
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Active user interaction
What an attacker can do
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. Vendor/CNA’s CVSS 4.0 assessment (base score 8.5/10) rates confidentiality and integrity impact as high; availability impact as none.
- CWE
- CWE-451
- CCR priority
- 32.4 /100 (P4)
- CVSS 3.1
- 8.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N · GitHub Advisory Database
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-13 02:51:46.931182+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-13 01:49:08.152775+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-109346.html