better-auth\/oauth-provider vulnerabilities and fixes

Recent CVEs affecting better-auth\/oauth-provider, with upgrade or downgrade steps. 3 tracked.

Also searched as: better auth\/oauth provider.

better-auth\/oauth-provider has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-07-15. Highest priority: CVE-2026-53518 (score 37/100).

• CVE-2026-41427 MEDIUM 6.5 UPGRADE Better Auth is an authentication and authorization library for TypeScript
• CVE-2026-53518 HIGH 8.1 UPGRADE UPGRADE Better Auth is an authentication and authorization library for TypeScript
• CVE-2026-53517 HIGH 8.1 UPGRADE UPGRADE Better Auth is an authentication and authorization library for TypeScript

FAQ

How do I fix better-auth\/oauth-provider vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is better-auth\/oauth-provider being exploited right now?

None of the tracked better-auth\/oauth-provider CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which better-auth\/oauth-provider CVE should I patch first?

CVE-2026-53518 currently ranks highest (37/100): Better Auth is an authentication and authorization library for TypeScript.

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