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VulnerabilitiesJun 11, 2026

Hackers Exploit Langflow Vulnerability for Remote Code Execution

Hackers exploit Langflow vulnerability for remote code execution.

A critical path traversal vulnerability (CVE-2026-5027) in the Langflow AI development platform is being actively exploited by threat actors. The flaw allows unauthenticated attackers to write files to arbitrary system locations, leading to remote code execution. Approximately 7,000 Langflow instances are potentially exposed, with exploitation attempts observed in the wild.

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The lesson from this incident

Full lesson

A critical path traversal vulnerability in Langflow allows unauthenticated attackers to write files to arbitrary system locations, ultimately achieving remote code execution. With approximately 7,000 exposed instances and active exploitation in the wild, this demonstrates how quickly critical vulnerabilities in popular development platforms can create widespread risk. The severity is amplified by the unauthenticated nature of the attack, meaning no credentials are required for exploitation. Organizations using AI development platforms must prioritize rapid patching and proper exposure controls to prevent compromise.

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Indicators of Compromise

Extracted by AI from the linked source. Not reviewed by an editor. How this works

  • cve — CVE-2026-5027

Entities

Langflow (product)AI (technology)threat actors (threat_actor)