Critical Langflow RCE Vulnerability (CVE-2026-33017) Exploited in the Wild
In March 2026, a critical remote code execution (RCE) vulnerability, identified as CVE-2026-33017, was discovered in Langflow, an open-source framework for building AI workflows. This flaw allows unauthenticated attackers to execute arbitrary Python code on affected servers by sending crafted HTTP requests to the unsandboxed flow execution endpoint. The vulnerability affects Langflow versions 1.8.1 and earlier, potentially leading to full system compromise, data theft, and unauthorized access to sensitive information. ([sentinelone.com](https://www.sentinelone.com/vulnerability-database/cve-2026-27966/?utm_source=openai)) The rapid exploitation of this vulnerability underscores the increasing targeting of AI development tools by threat actors. Organizations utilizing Langflow are urged to upgrade to version 1.9.0 or later, which addresses this security issue. Additionally, it is recommended to disable or restrict access to the vulnerable endpoint, monitor for suspicious activity, and rotate API keys and credentials to mitigate potential risks. ([sentinelone.com](https://www.sentinelone.com/vulnerability-database/cve-2026-27966/?utm_source=openai))
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