CVE-2025-55526

CRITICAL
2025-08-26 [email protected]
9.1
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 19:08 vuln.today
PoC Detected
Sep 15, 2025 - 19:38 vuln.today
Public exploit code
CVE Published
Aug 26, 2025 - 14:15 nvd
CRITICAL 9.1

Tags

Path Traversal Fastapi Pydantic Uvicorn

Description

n8n-workflows Main Commit ee25413 allows attackers to execute a directory traversal via the download_workflow function within api_server.py

Analysis

n8n-workflows Main Commit ee25413 allows attackers to execute a directory traversal via the download_workflow function within api_server.py. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. n8n-workflows Main Commit ee25413 allows attackers to execute a directory traversal via the download_workflow function within api_server.py Affected products include: N8N Fastapi, N8N Pydantic, N8N Uvicorn.

Affected Products

N8N Fastapi, N8N Pydantic, N8N Uvicorn.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.

Priority Score

66
Low Medium High Critical
KEV: 0
EPSS: +0.6
CVSS: +46
POC: +20

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CVE-2025-55526 vulnerability details – vuln.today
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