Low
Better Auth has an Open Redirect Vulnerability in originCheck Middleware Affecting Multiple Routes
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-53535
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 23:40 UTC · Revision 1
Source evidence
Better Auth has an Open Redirect Vulnerability in originCheck Middleware Affecting Multiple Routes
core-osv · Original sourcePublished 7 Jul 2025, 17:15 UTC
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.
osv:CVE-2025-53535
Complete source record
{
"id": "65435ec8afb87aab2721624f57872a6e889c1ee549c49dede02f5512cc36ae17",
"url": "https://osv.dev/vulnerability/CVE-2025-53535",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Better Auth has an Open Redirect Vulnerability in originCheck Middleware Affecting Multiple Routes",
"summary": "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.",
"evidence": "osv:CVE-2025-53535",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2025-53535",
"aliases": [
"CVE-2025-53535",
"GHSA-36rg-gfq2-3h56"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/better-auth/better-auth",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "08d92952ab827d6201fe756f4c8d4d921471c0d9"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "1.2.10"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "1.2.10"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-53535.json"
}
}
],
"modified": "2026-10-28T02:30:40.700495271Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53535.json",
"https://github.com/better-auth/better-auth/security/advisories/GHSA-36rg-gfq2-3h56",
"https://nvd.nist.gov/vuln/detail/CVE-2025-53535"
],
"provider_metadata": {
"cwe_ids": [
"CWE-601"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53535.json"
}
},
"related_cves": [
{
"value": "CVE-2025-53535",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 508041,
"published_at": "2025-07-07T17:15:52.027+00:00"
}