CVE-2026-126387
n8n before 2.46.1 Arbitrary File Read via Browser Use browser_upload Tool
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
n8n before 2.46.1 contains an arbitrary file read vulnerability that allows authenticated members to read server files by supplying absolute paths to the Browser Use browser_upload tool. Attackers with a connected remote browser session can have Playwright read files such as instance configuration from the n8n server and retrieve their contents from the page.
| CWE | CWE-36 |
| Vendor | n8n-io |
| Product | n8n |
| Published | Nov 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
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
🔍 sm1ee