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Hackers Start Exploiting Critical Langflow Vulnerability

securityweek.com 2026-09-01 AI supply chain Critical
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Executive Summary

Attackers began exploiting Langflow CVE-2026-0768, which lets unauthenticated users run arbitrary Python code.

What Happened

Tracked as CVE-2026-0768, the security defect allows unauthenticated attackers to execute arbitrary Python code remotely. The post Hackers Start Exploiting Critical Langflow Vulnerability appeared first on SecurityWeek .

Affected Products

  • Langflow

Vulnerability / Attack Technique

Unauthenticated code execution in an AI workflow builder

Technical Mechanism

Insufficient input validation allows Python execution.

AI Security Category

LLM03:2025 Supply Chain

Part of the AI Supply Chain and AI SBOM topic.

Relevant Frameworks

LLM03:2025 Supply ChainMITRE ATLAS: Execution

RealGround Analysis

Langflow servers store LLM keys and connect to data. RealGround analysis: exposed instances should be treated as compromised.

Recommended Controls

  • Update Langflow
  • Remove internet exposure
  • Rotate keys stored in Langflow

Related RealGround Service

AI Agent SBOM and LLM Mapping · or start with the free AI Agent Security Scanner.

Sources

securityweek.com: https://www.securityweek.com/hackers-start-exploiting-critical-langflow-vulnerability/

Summary and analysis written by RealGround from the source above; last updated 2026-10-18.

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