CVE-2026-110862— Better Auth 1.4.0-beta.18 before 1.7.7 Authentication Bypass via Magic Link
一分钟漏洞结论
影响对象
better-auth better-auth
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Better Auth from 1.4.0-beta.18 before 1.7.7 contains an authentication bypass vulnerability that allows unauthenticated attackers to sign in as other users by reusing OAuth state values as Magic Link tokens. Attackers can start an OAuth sign-in with a victim's
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一、 漏洞 CVE-2026-110862 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
Better Auth 1.4.0-beta.18 before 1.7.7 Authentication Bypass via Magic Link
来源: CVE Program / CVE List V5
Vulnerability Description
Better Auth from 1.4.0-beta.18 before 1.7.7 contains an authentication bypass vulnerability that allows unauthenticated attackers to sign in as other users by reusing OAuth state values as Magic Link tokens. Attackers can start an OAuth sign-in with a victim's email and submit the returned state to Magic Link verification, gaining sessions or creating falsely email-verified accounts.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| better-auth | better-auth | 1.4.0-beta.18 ~ 1.7.7 | - |
|
二、漏洞 CVE-2026-110862 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-110862 其他参考 (2)
同批安全公告 · better-auth · 2026-10-14 · 共 4 条
| CVE-2026-110863 | 8.1 HIGH | Better Auth @better-auth/sso before 1.7.3 Authentication Bypass via Personal SSO Providers |
| CVE-2026-110864 | 7.4 HIGH | Better Auth 1.5.0-beta.12 before 1.7.7 Authentication Bypass via OAuth Proxy |
| CVE-2026-110861 | 3.7 LOW | Better Auth drizzle-adapter 1.6.17 before 1.7.7 Rate Limit Bypass via Race Condition |
IV. Related Vulnerabilities
Same vendor: better-auth
-
CVE-2026-110864
Better Auth 1.5.0-beta.12 before 1.7.7 Authentication Bypass -
CVE-2026-110863
Better Auth @better-auth/sso before 1.7.3 Authentication Byp -
CVE-2026-110861
Better Auth drizzle-adapter 1.6.17 before 1.7.7 Rate Limit B -
CVE-2026-109346
better-auth 1.3.8-beta.3至1.7.0-rc.3设备授权钓鱼漏洞 -
CVE-2026-80192
Better Auth 授权问题漏洞
Same weakness: CWE-287
-
CVE-2026-110864
Better Auth 1.5.0-beta.12 before 1.7.7 Authentication Bypass -
CVE-2026-110863
Better Auth @better-auth/sso before 1.7.3 Authentication Byp -
CVE-2026-104108
FileRise OIDC login can bind an attacker identity to an exis -
CVE-2026-104105
FileRise: TOTP codes are not single-use — valid 6-digit code -
CVE-2026-69191
FileRise: Login Method Restriction Bypass via Direct API Acc
V. Comments for CVE-2026-110862
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