Bottom line: CISA requires US agencies to immediately patch an exploited authentication vulnerability in Langflow.
The US Cybersecurity and Infrastructure Security Agency (CISA) has set deadlines for federal agencies to remediate an actively exploited vulnerability in the Langflow framework for creating AI agents. The flaw enables authentication bypass with significant risk potential for government systems.
CISA has issued a Binding Operational Directive requiring federal agencies to patch a vulnerability in the Langflow framework. The framework is used for visually creating applications and agents based on artificial intelligence and is increasingly spreading in enterprise environments.
The vulnerability is already being actively exploited by attackers. It enables the circumvention of authentication mechanisms, allowing unauthorized parties to gain access to protected resources without requiring valid login credentials. For federal agencies using Langflow in production environments, this presents a critical risk.
CISOs in agencies and regulated organizations must verify whether Langflow is deployed in their IT infrastructure. Initial steps include inventorying Langflow instances, immediately applying available security updates, and reviewing access logs for signs of misuse. For systems where rapid patching is not possible, additional monitoring and network segmentation measures should be considered.
Source: www.bleepingcomputer.com · Published July 8, 2026
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