CVE-2026-42282
medium
CVSS v3
4.3
CVSS v4 NEW
—
VIR risk
4.3
Description
n8n-MCP: Sensitive MCP tool-call arguments logged on authenticated requests in HTTP mode
Predictions
Exploit likelihood
53%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| n8n-mcp | n8n-mcp | {"endExcluding":"2.47.13"} | 2.47.13 |
References
- https://github.com/czlonkowski/n8n-mcp/commit/59b665bda36797823df238aeaf20adb862c9f451
- https://github.com/czlonkowski/n8n-mcp/releases/tag/v2.47.13
- 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
- https://github.com/advisories/GHSA-wg4g-395p-mqv3
CWEs
CWE-532
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.