Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-53535— Better Auth has an Open Redirect Vulnerability in originCheck Middleware Affecting Multiple Routes

Quick assessment

Affected
better-auth better-auth
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Better Auth是Better Auth开源的一个 TypeScript 最全面的身份验证框架。 Better Auth 1.2.10之前版本存在输入验证错误漏洞，该漏洞源于originCheck中间件函数中存在开放重定向，可能导致重定向攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.38% · P32
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-53535

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Better Auth has an Open Redirect Vulnerability in originCheck Middleware Affecting Multiple Routes
Source: CVE Program / CVE List V5
Vulnerability Description
Better Auth is an authentication and authorization library for TypeScript. An open redirect has been found in the originCheck middleware function, which affects the following routes: /verify-email, /reset-password/:token, /delete-user/callback, /magic-link/verify, /oauth-proxy-callback. This vulnerability is fixed in 1.2.10.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
Better Auth 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Better Auth是Better Auth开源的一个 TypeScript 最全面的身份验证框架。 Better Auth 1.2.10之前版本存在输入验证错误漏洞，该漏洞源于originCheck中间件函数中存在开放重定向，可能导致重定向攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
better-auth better-auth < 1.2.10 -

II. Public POCs for CVE-2025-53535

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-53535

请登录查看更多情报信息。

IV. Related Vulnerabilities

Same product: better-auth
Same vendor: better-auth
Same weakness: CWE-601