{"action":"Upgrade better-auth to 1.6.11 or later.","affected":[{"fixed":"1.6.11","introduced":"0"}],"component":"better-auth","cve_ids":["CVE-2026-53516"],"ecosystem":"npm","epss":0.00289,"exploited":false,"fixed_versions":["1.6.11"],"ghsa_id":"GHSA-g38m-r43w-p2q7","id":"tcs_01M5KFPW2NR6CZN8XK11KWE96V","modified_at":"2026-07-20T19:30:23.992960910Z","published_at":"2026-07-07T20:55:13Z","references":["https://osv.dev/vulnerability/GHSA-g38m-r43w-p2q7","https://github.com/better-auth/better-auth/security/advisories/GHSA-g38m-r43w-p2q7","https://nvd.nist.gov/vuln/detail/CVE-2026-53516","https://github.com/better-auth/better-auth/pull/9578","https://github.com/better-auth/better-auth/commit/da7e50beee849c59a2ed1ec6b3a38cc6ab9fb563","https://github.com/better-auth/better-auth","https://github.com/better-auth/better-auth/releases/tag/v1.6.11"],"severity":{"label":"high","score":8.3},"sources":[{"source":"osv","source_id":"GHSA-g38m-r43w-p2q7","url":"https://osv.dev/vulnerability/GHSA-g38m-r43w-p2q7"}],"summary":"Better Auth has an account takeover issue via OAuth auto-link to unverified pre-registered email"}