{"id":"ghsa-ghsa-r4xp-prcw-77qf","seq":1708802,"kind":"advisory","title":"better-auth: OAuth Proxy lets an attacker sign in as another user","url":"https://github.com/advisories/GHSA-r4xp-prcw-77qf","permalink":"https://vulnpulse.app/items/ghsa-ghsa-r4xp-prcw-77qf","summary":"影響: npm:better-auth >= 1.5.0-beta.12, < 1.7.7 → 1.7.7\nAm 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…","severity":"high","techs":["nodejs"],"cves":[],"tags":["GHSA-r4xp-prcw-77qf","better-auth"],"source":{"id":"ghsa","name":"GitHub Advisory Database"},"published_at":"2026-10-27T15:32:16.000Z","fetched_at":"2026-10-27T21:03:52.214Z"}