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The Hacker News AI Security · November 2, 2026

Langflow security update: upgrade to 1.13.0 and prepare authenticated access

news Agent SecurityAI Red Teaming
Why it matters

IBM’s October 29 bulletin identifies Langflow 1.0.0–1.12.8 as affected by authentication bypass, code execution and credential exposure flaws, and specifies 1.13.0 as the fix. The bulletin includes unauthenticated attack paths and provides no interim workaround. Automatic-login migration needs preparation; disabling that setting alone is not established as a complete fix.

My takeaway: Inventory Langflow deployments and upgrade affected installations to 1.13.0 or a later release confirmed to include these fixes. Back up the database, secret key and uploads, and prepare existing accounts for password sign-in before the upgrade. Restrict editor and MCP exposure, verify authentication afterwards, and investigate suspicious activity separately from patch installation.
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