better-auth 1.3.8-beta.3 before 1.7.0-rc.3 Device Authorization Phishing via /device
Exact source revision recorded 26 Oct 2026 17:35:31 UTC. It does not establish the source's current position. Latest evidence.
cve-program · CVE-2026-109346
Publishedbetter-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.
- Source published
- 12 Oct 2026 16:05:30 UTC
- Source modified
- 26 Oct 2026 16:46:48 UTC
- Observed here
- 26 Oct 2026 17:35:31 UTC
- Source terms
- CVE Program Terms of Use
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CVSS 4.0 · 8.5 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1 · 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N