CVE-2026-126388
n8n before 2.46.1 Credential Leak via Cross-Origin Redirects in Nodes
CVSS Score
3.7
EPSS Score
0.0%
EPSS Percentile
0th
n8n before 2.46.1 contains a credential exposure vulnerability that forwards Authorization headers and basic auth credentials on cross-origin redirects because sendCredentialsOnCrossOriginRedirect defaults to true. Attackers controlling a redirect target or an expression-fed URL in credential-using nodes can capture stored workflow credentials sent to their endpoint.
| CWE | CWE-522 |
| Vendor | n8n-io |
| Product | n8n |
| Published | Nov 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
n8n-io / n8n
2.46.0 < 2.46.1
n8n-io / n8n
0 < 2.45.5
n8n-io / n8n
3.0.0 < 3.0.1
References
Credits
🔍 klydz