{"uuid": "431d7c87-bf59-4795-a058-2c5ae747e2bf", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-54052", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/116927773174475079", "content": "CVE-2026-54052: CRITICAL auth bypass in czlonkowski n8n-mcp &lt;2.56.1. Multi-tenant HTTP mode allows tenants to access/delete others\u2019 sensitive workflow backups. Patch to 2.56.1 ASAP. https://radar.offseq.com/threat/cve-2026-54052-cwe-639-authorization-bypass-throug-04ca76ef25ff4df2 #OffSeq #CVE #infosec #vuln", "creation_timestamp": "2026-07-16T04:30:27.210870Z"}