Langflow, an open-source AI pipeline builder, carries a CVSS 9.8 unauthenticated RCE vulnerability (CVE-2026-33017) reportedly exploited within approximately 20 hours of public disclosure, indicating active threat actor monitoring of AI/ML tooling disclosure channels. The vulnerability exposes API keys, model configurations, and downstream data system credentials stored in or accessible by Langflow instances, making blast radius assessment and credential rotation as critical as patching. Organizations should patch immediately from the official Langflow GitHub repository, isolate any unpatched instances at the network boundary, and audit all credentials accessible to affected deployments.