{"action":"Upgrade better-auth to 1.6.11 or later.","affected":[{"fixed":"1.6.11","introduced":"0"}],"component":"better-auth","cve_ids":["CVE-2026-67336"],"ecosystem":"npm","epss":0.00236,"exploited":false,"fixed_versions":["1.6.11"],"ghsa_id":"GHSA-9h47-pqcx-hjr4","id":"tcs_01M5KFFY7MHDW01E6J5EZYR72H","modified_at":"2026-08-02T03:56:48.208414323Z","published_at":"2026-07-07T20:55:41Z","references":["https://osv.dev/vulnerability/GHSA-9h47-pqcx-hjr4","https://github.com/better-auth/better-auth/security/advisories/GHSA-9h47-pqcx-hjr4","https://github.com/better-auth/better-auth","https://github.com/better-auth/better-auth/releases/tag/v1.6.11"],"severity":{"label":"high","score":8.7},"sources":[{"source":"osv","source_id":"GHSA-9h47-pqcx-hjr4","url":"https://osv.dev/vulnerability/GHSA-9h47-pqcx-hjr4"}],"summary":"Better Auth has insecure cryptographic defaults in oidcProvider: alg=none advertised and plain PKCE accepted by default"}