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CVE-2026-53512

🗓️ 15 Jul 2026 17:18:09Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 22 Views🌐 WEB

CVE-2026-53512: OAuth refresh-token replay via missing client authentication in legacy plugins.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
better-authbetter_authRange<1.6.11node.js
[
  {
    "vendor": "better-auth",
    "product": "better-auth",
    "versions": [
      {
        "version": "< 1.6.11",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
refresh_tokenrequest body/api/auth/oauth2/tokenOAuth token endpoint accepts refresh_token without verifying client_secret, enabling token minting with a valid refresh_token.CWE-863CWE-306CWE-345CWE-287
client_idrequest body/api/auth/oauth2/tokenOAuth token endpoint accepts refresh_token without verifying client_secret, enabling token minting with a valid refresh_token.CWE-863CWE-306CWE-345CWE-287
client_secretrequest body/api/auth/oauth2/tokenOAuth token endpoint accepts refresh_token without verifying client_secret, enabling token minting with a valid refresh_token.CWE-863CWE-306CWE-345CWE-287
refresh_tokenrequest body/api/auth/mcp/tokenMCP token endpoint accepts refresh_token without verifying client_secret, enabling token minting with a valid refresh_token.CWE-863CWE-306CWE-345CWE-287
client_idrequest body/api/auth/mcp/tokenMCP token endpoint accepts refresh_token without verifying client_secret, enabling token minting with a valid refresh_token.CWE-863CWE-306CWE-345CWE-287
client_secretrequest body/api/auth/mcp/tokenMCP token endpoint accepts refresh_token without verifying client_secret, enabling token minting with a valid refresh_token.CWE-863CWE-306CWE-345CWE-287

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21 Jul 2026 13:33Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.19.1
CVSS 49.1
EPSS0.00213
SSVC
22