{"type":"post","id":"ibm-bulletin-langflow-oss-1-0-0-1-7c4fe2","slug":"ibm-bulletin-langflow-oss-1-0-0-1-7c4fe2","title":"IBM bulletin: Langflow OSS 1.0.0-1.12.8 has two CVSS 9.8 flaws, including unauthenticated RCE via MCP tool enumeration; fix is 1.13.0","description":"IBM has published a security bulletin for Langflow OSS 1.0.0 through 1.12.8, including two CVSS 9.8 vulnerabilities.","retrieval_nugget":"IBM has published a security bulletin for Langflow OSS 1.0.0 through 1.12.8, including two CVSS 9.8 vulnerabilities.","published_at":"2026-10-30","updated_at":"2026-10-30","record_date":"2026-10-30","date_kind":"published_at","topics":["mcp"],"entities":["IBM","Langflow OSS","Langflow","Model Context Protocol","Hono"],"related_patterns":["agent-security-moves-to-runtime-boundaries"],"novelty_label":"new_fact","what_changed":"IBM’s Langflow OSS bulletin adds critical vulnerabilities, including unauthenticated RCE via MCP tool enumeration, and identifies 1.13.0 as the fix.","prior_refs":[],"source_url":"https://www.ibm.com/support/pages/security-bulletin-langflow-oss-affected-multiple-vulnerabilities-2","source_urls":["https://www.ibm.com/support/pages/security-bulletin-langflow-oss-affected-multiple-vulnerabilities-2"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:ibm-bulletin-langflow-oss-1-0-0-1-7c4fe2","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/ibm-bulletin-langflow-oss-1-0-0-1-7c4fe2/","markdown":"https://newruntime.com/posts/ibm-bulletin-langflow-oss-1-0-0-1-7c4fe2.md","json":"https://newruntime.com/posts/ibm-bulletin-langflow-oss-1-0-0-1-7c4fe2.json"},"next_reads":[{"type":"topic","path":"/topics/mcp/","url":"https://newruntime.com/topics/mcp/","title":"Mcp","reason":"Explore the mcp topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/mcp.md","json_url":"https://newruntime.com/topics/mcp.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}