CVE-2026-41427Published

Better Auth OAuth 2.1 Provider: Unprivileged users can register OAuth clients

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-41427

Published

better-auth

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "better-auth",
                    "product": "better-auth",
                    "versions": [
                        {
                            "version": ">= 1.4.8-beta.7, < 1.6.5",
                            "status": "affected"
                        },
                        {
                            "version": ">= 1.7.0-beta.0, <= 1.7.0-beta.1",
                            "status": "affected"
                        }
                    ]
                }

oauth-provider

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "better-auth",
                    "product": "oauth-provider",
                    "versions": [
                        {
                            "version": ">= 1.4.8-beta.7, < 1.6.5",
                            "status": "affected"
                        },
                        {
                            "version": ">= 1.7.0-beta.0, <= 1.7.0-beta.1",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON