ghsa-5vj6-wjr7-5v9f
Vulnerability from github
Published
2025-06-27 14:19
Modified
2025-06-27 14:19
Severity ?
Summary
n8n allows open redirects via the /signin endpoint
Details
Impact
This is an Open Redirect (CWE-601) vulnerability in the login flow of n8n. Authenticated users can be redirected to untrusted, attacker-controlled domains after logging in, by crafting malicious URLs with a misleading redirect query parameter.
This may lead to:
- Phishing attacks by impersonating the n8n UI on lookalike domains (e.g., n8n.local.evil.com)
- Credential or 2FA theft if users are tricked into re-entering sensitive information
- Reputation risk due to the visual similarity between attacker-controlled domains and trusted ones
The vulnerability affects anyone hosting n8n and exposing the /signin endpoint to users.
Patches
The issue has been patched in 1.98.0. All users should upgrade to this version or later.
The fix introduces strict origin validation for redirect URLs, ensuring only same-origin or relative paths are allowed after login.
Patch commit: https://github.com/n8n-io/n8n/pull/16034
{
"affected": [
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 1.97.0"
},
"package": {
"ecosystem": "npm",
"name": "n8n"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.98.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-49592"
],
"database_specific": {
"cwe_ids": [
"CWE-601"
],
"github_reviewed": true,
"github_reviewed_at": "2025-06-27T14:19:01Z",
"nvd_published_at": "2025-06-26T20:15:29Z",
"severity": "MODERATE"
},
"details": "### Impact\n\nThis is an Open Redirect (CWE-601) vulnerability in the login flow of n8n. Authenticated users can be redirected to untrusted, attacker-controlled domains after logging in, by crafting malicious URLs with a misleading redirect query parameter.\n\nThis may lead to:\n\n- Phishing attacks by impersonating the n8n UI on lookalike domains (e.g., n8n.local.evil.com)\n- Credential or 2FA theft if users are tricked into re-entering sensitive information\n- Reputation risk due to the visual similarity between attacker-controlled domains and trusted ones\n\nThe vulnerability affects anyone hosting n8n and exposing the `/signin` endpoint to users.\n\n### Patches\n\nThe issue has been patched in [1.98.0](https://github.com/n8n-io/n8n/releases/tag/n8n%401.98.0).\nAll users should upgrade to this version or later.\n\nThe fix introduces strict origin validation for redirect URLs, ensuring only same-origin or relative paths are allowed after login.\n\nPatch commit: https://github.com/n8n-io/n8n/pull/16034",
"id": "GHSA-5vj6-wjr7-5v9f",
"modified": "2025-06-27T14:19:02Z",
"published": "2025-06-27T14:19:01Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-5vj6-wjr7-5v9f"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-49592"
},
{
"type": "WEB",
"url": "https://github.com/n8n-io/n8n/pull/16034"
},
{
"type": "WEB",
"url": "https://github.com/n8n-io/n8n/commit/4865d1e360a0fe7b045e295b5e1a29daad12314e"
},
{
"type": "PACKAGE",
"url": "https://github.com/n8n-io/n8n"
},
{
"type": "WEB",
"url": "https://github.com/n8n-io/n8n/releases/tag/n8n%401.98.0"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "n8n allows open redirects via the /signin endpoint"
}
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.