{"vulnerability": "cve-2026-42449", "sightings": [{"uuid": "a7ad026a-d9c4-4366-9bd2-86612d9b2d9f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42449", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mlc75hcav22e", "content": "\ud83d\udfe0 CVE-2026-42449 - High (8.5)\n\nn8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-42449/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-07T21:51:04.886711Z"}, {"uuid": "7848d28f-18e6-44de-a977-ed3cf5120326", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42449", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mlcftqxeo72p", "content": "CVE-2026-42449 - n8n-MCP: IPv4-mapped IPv6 addresses bypass SSRF protection in validateUrlSync(), enabling full SSRF for SDK embedders\nCVE ID : CVE-2026-42449\n \n Published : May 7, 2026, 9:16 p.m. | 1\u00a0hour, 4\u00a0minutes ago\n \n Description : n8n-MCP is an MCP server that provides ...", "creation_timestamp": "2026-05-07T23:50:55.022964Z"}, {"uuid": "9fe38bdc-7c5b-4a0f-ad3e-00db6b064a61", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-42449", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3mm3s4k22kz2r", "content": "\ud83d\udccc CVE-2026-42449 - n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. In versions 2.47.4 through 2.47.13,... https://www.cyberhub.blog/cves/CVE-2026-42449", "creation_timestamp": "2026-05-18T02:07:08.096727Z"}]}