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CVE-2026-53517

🗓️ 15 Jul 2026 17:33:38Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 61 Views🌐 WEB

CVE-2026-53517: Token refresh race in Better Auth OAuth allows replay and fork; fixed 1.6.11.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
OR
better-authbetter-auth/oauth-providerRange1.6.01.6.11node.js
better-authbetter_authRange1.4.91.6.11node.js
better-authbetter_authMatch1.4.8-node.js
better-authbetter_authMatch1.4.8beta7node.js
[
  {
    "vendor": "better-auth",
    "product": "better-auth",
    "versions": [
      {
        "version": ">= 1.4.8-beta.7, < 1.6.0",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "@better-auth",
    "product": "oauth-provider",
    "versions": [
      {
        "version": ">= 1.6.0, < 1.6.11",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
grant_typerequest body/oauth2/tokenNon-atomic read/validate/revoke/mint sequence for refresh tokens enabling concurrent requests with same parent refresh token.CWE-362CWE-367
refresh_tokenrequest body/oauth2/tokenNon-atomic read/validate/revoke/mint sequence for refresh tokens enabling concurrent requests with same parent refresh token.CWE-362CWE-367

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