Critical Langflow Flaws Could Let Unauthenticated Attackers Run Code on Servers

Reported by The Hacker News ([email protected] (The Hacker News))

Summary by Cyber Security News2 Nov 2026, 12:50 CET

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Two critical flaws in Langflow could let a remote attacker with no account bypass authentication or run arbitrary code, IBM said last week. Langflow is an open-source tool for building AI agents and workflows, and its vulnerability reports go to IBM. Every release from 1.0.0 through 1.12.8 has the flaws, and the only fix is version 1.13.0.

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