{"action":"Upgrade @better-auth/oauth-provider to 1.6.11 or later.","affected":[{"fixed":"1.6.11","introduced":"1.6.0"}],"component":"@better-auth/oauth-provider","cve_ids":["CVE-2026-53517"],"ecosystem":"npm","epss":0.00422,"exploited":false,"fixed_versions":["1.6.11"],"ghsa_id":"GHSA-392p-2q2v-4372","id":"tcs_01M5KEWQB18KDDW2B74KVC68K3","modified_at":"2026-07-20T19:30:24.031992434Z","published_at":"2026-07-07T20:55:48Z","references":["https://osv.dev/vulnerability/GHSA-392p-2q2v-4372","https://github.com/better-auth/better-auth/security/advisories/GHSA-392p-2q2v-4372","https://nvd.nist.gov/vuln/detail/CVE-2026-53517","https://github.com/better-auth/better-auth/commit/c6918ecc9e3a75892169415d7f6c95b591b6a52d","https://github.com/better-auth/better-auth","https://github.com/better-auth/better-auth/releases/tag/v1.6.0","https://github.com/better-auth/better-auth/releases/tag/v1.6.11"],"severity":{"label":"high","score":8.1},"sources":[{"source":"osv","source_id":"GHSA-392p-2q2v-4372","url":"https://osv.dev/vulnerability/GHSA-392p-2q2v-4372"}],"summary":"Better Auth: OAuth refresh-token rotation forks the token family on concurrent redemption"}