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TI-2026-50994 Aliases CVE-2026-72768GHSA-xv2r-whj9-7vqh

n8n before 2.32.1 SSRF Protection Bypass via MCP Client

Priority LOW 31CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

n8n versions before 2.32.1 contain a server-side request forgery protection bypass vulnerability in the MCP Client node that allows authenticated users to bypass SSRF protections. Attackers can craft workflows that send requests to internal or blocked hosts without routing through SSRF protection, exposing internal services and reading responses back through the workflow.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00396 34th percentileScored 2026-11-07
Fix Fixed n8n (n8n-io): 2.32.1, 2.31.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
n8nn8n2.32.0 to before 2.32.12.32.1Patch availableCNA
n8nn8nbefore 2.31.52.31.5Patch availableCNA
  • n8n Vendorn8n Affected 2.32.0 to before 2.32.1 Fixed in 2.32.1 Patch available CNA
  • n8n Vendorn8n Affected before 2.31.5 Fixed in 2.31.5 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*2.31.0 to before 2.31.5Vulnerablen8n
cpe:2.3:a:n8n:n8n:2.32.0:*:*:*:*:node.js:*:*2.32.0Vulnerablen8n
  • cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:* Versions 2.31.0 to before 2.31.5 Vulnerable ·n8n
  • cpe:2.3:a:n8n:n8n:2.32.0:*:*:*:*:node.js:*:* Versions 2.32.0 Vulnerable ·n8n

Remediation

  • Fix · CNA n8n (n8n-io) Fixed in 2.32.1
  • Fix · CNA n8n (n8n-io) Fixed in 2.31.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    n8n-io n8n 2.31.5, 2.32.1

    16 records Highest priority Priority MEDIUM 4 MEDIUM, 12 LOW

    Other records, highest priority first

    • TI-2026-50992 n8n before 1.123.67 Arbitrary File Read via Send Email NodePriority MEDIUM 42
    • TI-2026-50998 n8n before 2.32.1 Authentication Bypass via Token ExchangePriority MEDIUM 41
    • TI-2026-50993 n8n before 1.123.67 Remote Code Execution via Git nodePriority MEDIUM 41
    Show all 16 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-72768
  2. 2026-10-03 Alias added: GHSA-xv2r-whj9-7vqh
  3. 2026-10-29 Affected versions changed · CNA

References

Advisory 1

  • TI-2025-42131 n8n Vulnerable to Remote Code Execution via Expression Injection KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-17560 n8n Vulnerable to Unauthenticated File Access via Improper Webhook Request Handling CVSS 3.1CRITICAL 10.0
  • TI-2026-01167 Authenticated users can bypass the Expression sandbox mechanism to achieve full remote… CVSS 3.1CRITICAL 9.9
  • TI-2026-00644 Sandbox escape in n8n Python task runner allows for arbitrary code execution on the underlying host. CVSS 3.1CRITICAL 9.9
  • TI-2025-35293 An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3… CVSS 3.1HIGH 8.8
  • TI-2023-12275 The n8n package 0.218.0 for Node.js allows Escalation of Privileges. CVSS 3.1HIGH 8.8
See all 178 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences