Technology · npm
n8n-mcp (npm) vulnerabilities
Updated . Rebuilt every hour.
Junglewise Threat Intelligence has tracked 12 vulnerabilities in n8n-mcp (npm): 0 in the last 7 days and 2 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-55608, was published on 15 July 2026.
- Last 7 days
- 0
- Last 90 days
- 2
- Critical, all time
- 1
- Exploited in the wild
- 0
About n8n-mcp (npm)
A Model Context Protocol (MCP) implementation for the n8n workflow automation platform.
Latest n8n-mcp (npm) vulnerabilities
- CVE-2026-55608: czlonkowski n8n-mcp incorrect authorization in multi-tenant HTTP modemediumCVSS 4.2EPSS 0.3%
- CVE-2026-54052: czlonkowski n8n-mcp authorization bypass in workflow backupscriticalCVSS 9.9EPSS 0.4%
- CVE-2026-45707: czlonkowski n8n-mcp improper access control in multi-tenant modehighCVSS 8.1EPSS 0.4%
- CVE-2026-45582: czlonkowski n8n-mcp sensitive information leak in workflow telemetrymediumCVSS 6.5EPSS 0.5%
- CVE-2026-44694: czlonkowski n8n-mcp authenticated SSRF in webhook and API clienthighCVSS 4EPSS 0.3%
- CVE-2026-42282: czlonkowski n8n-mcp sensitive information disclosure in logsmediumCVSS 4.3EPSS 0.4%
- CVE-2026-41495: czlonkowski n8n-mcp sensitive information disclosure in logsmediumCVSS 5.3EPSS 0.4%
- n8n-mcp multiple vulnerabilities in API client and telemetrylowCVSS 3.1
- CVE-2026-42449: czlonkowski n8n-mcp SSRF via IPv4-mapped IPv6 addresseshighCVSS 8.5EPSS 0.3%
- n8n-mcp missing authentication in HTTP transportlowCVSS 3.1
- n8n-mcp missing authentication in HTTP transport endpointshighCVSS 8.2
- CVE-2026-39974: n8n-mcp authenticated SSRF via instance-URL headerlowCVSS 3.1EPSS 0.4%
Most severe n8n-mcp (npm) vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2026-54052: czlonkowski n8n-mcp authorization bypass in workflow backupscriticalCVSS 9.9EPSS 0.4%
- CVE-2026-42449: czlonkowski n8n-mcp SSRF via IPv4-mapped IPv6 addresseshighCVSS 8.5EPSS 0.3%
- n8n-mcp missing authentication in HTTP transport endpointshighCVSS 8.2
- CVE-2026-45707: czlonkowski n8n-mcp improper access control in multi-tenant modehighCVSS 8.1EPSS 0.4%
- CVE-2026-44694: czlonkowski n8n-mcp authenticated SSRF in webhook and API clienthighCVSS 4EPSS 0.3%
- CVE-2026-45582: czlonkowski n8n-mcp sensitive information leak in workflow telemetrymediumCVSS 6.5EPSS 0.5%
- CVE-2026-41495: czlonkowski n8n-mcp sensitive information disclosure in logsmediumCVSS 5.3EPSS 0.4%
- CVE-2026-42282: czlonkowski n8n-mcp sensitive information disclosure in logsmediumCVSS 4.3EPSS 0.4%
- CVE-2026-55608: czlonkowski n8n-mcp incorrect authorization in multi-tenant HTTP modemediumCVSS 4.2EPSS 0.3%
- CVE-2026-39974: n8n-mcp authenticated SSRF via instance-URL headerlowCVSS 3.1EPSS 0.4%
Vulnerabilities per week
The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 29 Jun 2026 | 0 | 0 | |
| 6 Jul 2026 | 0 | 0 | |
| 13 Jul 2026 | 2 | 1 | |
| 20 Jul 2026 | 0 | 0 | |
| 27 Jul 2026 | 0 | 0 | |
| 3 Aug 2026 | 0 | 0 | |
| 10 Aug 2026 | 0 | 0 | |
| 17 Aug 2026 | 0 | 0 | |
| 24 Aug 2026 | 0 | 0 | |
| 31 Aug 2026 | 0 | 0 | |
| 7 Sep 2026 | 0 | 0 | |
| 14 Sep 2026 | 0 | 0 | |
| 21 Sep 2026 | 0 | 0 |
How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/technologies/n8n-mcp.json, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "n8n-mcp (npm) vulnerabilities", https://junglewise.ai/threats/technologies/n8n-mcp, 26 September 2026.