Is n8n-mcp affected by CVE-2026-42282?

npm n8n-mcp is affected in <2.47.13.

Is CVE-2026-42282 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

medium

CVE-2026-42282

Q: Is CVE-2026-42282 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

npm · n8n-mcp

Summary

n8n-MCP: Sensitive MCP tool-call arguments logged on authenticated requests in HTTP mode

Severity: medium
EPSS: 0.3% (p16)
Also known as: GHSA-wg4g-395p-mqv3
Published: 2026-04-25

References

https://github.com/czlonkowski/n8n-mcp/security/advisories/GHSA-wg4g-395p-mqv3
https://nvd.nist.gov/vuln/detail/CVE-2026-42282
https://github.com/czlonkowski/n8n-mcp/commit/59b665bda36797823df238aeaf20adb862c9f451

Related advisories

CVE-2026-45707 — high · npm/n8n-mcp
GHSA-8g7g-hmwm-6rv2 — high · npm/n8n-mcp
CVE-2026-44694 — high · npm/n8n-mcp
CVE-2026-42449 — high · npm/n8n-mcp
GHSA-75hx-xj24-mqrw — high · npm/n8n-mcp
CVE-2026-39974 — high · npm/n8n-mcp
CVE-2026-45582 — medium · npm/n8n-mcp
CVE-2026-41495 — medium · npm/n8n-mcp

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.