better-auth: OAuth Proxy lets an attacker sign in as another user

影響: npm:better-auth >= 1.5.0-beta.12, < 1.7.7 → 1.7.7

Am I affected? You may be affected if you use better-auth from 1.5.0-beta.12 through versions before 1.7.7 with the OAuth Proxy plugin. You are affected only if all of these are also true: - On a participating environment, the OAuth Proxy plugin has no dedicated secret, or its secret equals that environment's global Better Auth secret. - Sign-in state is stored in a cookie (account.storeStateStrategy: "cookie"). With a database or secondary storage, this is only the case if you chose it explici…

在 GitHub Advisory Database 阅读

2026/10/28 00:32，GitHub Advisory Database 发布了“better-auth: OAuth Proxy lets an attacker sign in as another user”（类型：漏洞公告）。严重程度为“高危”（high）。相关技术：JavaScript / Node.js。