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CVE-2026-53515

🗓️ 15 Jul 2026 17:27:00Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 53 Views🌐 WEB

Privilege escalation in Better Auth SSO registration without admin check.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
OR
better-authbetter-auth/ssoRange<1.6.11node.js
better-authbetter_authRange1.2.101.6.11node.js
[
  {
    "vendor": "better-auth",
    "product": "better-auth",
    "versions": [
      {
        "version": ">= 1.2.10, < 1.6.11",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "@better-auth",
    "product": "sso",
    "versions": [
      {
        "version": ">= 1.2.10, < 1.6.11",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
providerConfigrequest body/sso/registerPOST /sso/register allows adding an SSO provider without proper owner/admin authorizationCWE-285CWE-863CWE-269
organizationIdrequest body/sso/registerPOST /sso/register allows adding an SSO provider without proper owner/admin authorizationCWE-285CWE-863CWE-269
providerTyperequest body/sso/registerPOST /sso/register allows adding an SSO provider without proper owner/admin authorizationCWE-285CWE-863CWE-269
providerIdpath/sso/callback/{providerId}Callback endpoint can be abused to provision an attached SSO provider for an organizationCWE-285CWE-863CWE-269
organizationIdpath/sso/callback/{providerId}Callback endpoint can be abused to provision an attached SSO provider for an organizationCWE-285CWE-863CWE-269

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