Actively exploited in the wild
Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability
Langflow - Langflow · Listed in the CISA KEV since 2026-07-21. This indicates confirmed attacks in production environments.
Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CVE-2026-0770
CriticalCVSS 9.8KEVExploitation Probability (EPSS)
Very high risk99th percentile - higher than 99% of all known CVEs
Summary
A vulnerability in Langflow allows remote code execution via the exec_globals parameter in the validate endpoint. An unauthenticated attacker can inject malicious code from an untrusted source.
Risk Assessment
The risk for the organization includes full server compromise, potentially leading to data theft, backdoor installation, or service disruption.
Recommendation
Immediately update Langflow to the latest patched version and restrict access to the validate endpoint to trusted networks only.
Original NVD description (English source)
Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the exec_globals parameter provided to the validate endpoint. The issue results from the inclusion of a resource from an untrusted control sphere. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-27325.