Critical Langflow Flaw CVE-2026-33017 Triggers Attacks within 20 Hours of Disclosure

Summary

A critical authentication bypass and code injection vulnerability in Langflow, tracked as CVE-2026-33017, is being actively exploited. This flaw allows for remote code execution and has seen attacks begin within 20 hours of its public disclosure.

IFF Assessment

FOE

This vulnerability's rapid exploitation demonstrates a significant threat to systems using Langflow, as attackers can quickly gain control.

Severity

9.3 Critical

Defender Context

This highlights the urgent need for rapid patching and monitoring of systems utilizing Langflow or similar development frameworks. Defenders should be on high alert for indicators of compromise related to remote code execution and unauthorized access to these platforms.

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