Attackers Exploit Critical Langflow Flaw for Remote Code Execution

Attackers have begun actively exploiting a high-severity vulnerability in Langflow, tracked as CVE-2026-5027, which enables remote code execution via a path traversal flaw in the platform’s file upload functionality. The issue, disclosed by Tenable under advisory TRA-2026-26, affects the POST /api/v2/files endpoint, where improper sanitization of the filename parameter allows attackers to write arbitrary files anywhere on the underlying […]

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