CVE-2026-17630 in Langflow OSS
Summary
by MITRE • 08/05/2026
IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to execute arbitrary code due to improper validation of configuration parameters.
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Analysis
by VulDB Data Team • 08/05/2026
This vulnerability exists within IBM Langflow Open Source Software versions 1.0.0 through 1.10.3, representing a critical security flaw that enables remote code execution through improper parameter validation. The issue stems from insufficient input sanitization and validation mechanisms within the application's configuration handling processes, creating a pathway for malicious actors to inject arbitrary commands that execute with the privileges of the affected system.
The technical implementation flaw manifests when the application processes user-provided configuration parameters without adequate validation checks, allowing attackers to manipulate input fields that should be restricted or properly sanitized. This vulnerability aligns with CWE-74 standards related to improper neutralization of special elements used in data queries and CWE-94 which addresses arbitrary code execution through insecure deserialization or command injection vectors.
From an operational perspective, this vulnerability presents a severe risk to organizations deploying IBM Langflow OSS in production environments, as remote attackers can leverage this weakness to gain complete system control without requiring authentication. The attack surface extends across all components that accept external configuration inputs, potentially compromising data integrity, confidentiality, and availability of deployed machine learning workflows and applications.
The exploitation scenario typically involves an attacker submitting maliciously crafted configuration parameters through API endpoints or configuration interfaces, which are then processed by the application without proper validation. This allows for command injection attacks where arbitrary shell commands can be executed on the target system, potentially leading to full system compromise and lateral movement within network environments.
Organizations should immediately implement mitigations including updating to patched versions of IBM Langflow OSS, implementing strict input validation at all entry points, and deploying network segmentation controls to limit access to affected systems. Additional protective measures include disabling unnecessary configuration interfaces, implementing web application firewalls, and conducting comprehensive security assessments to identify potential exploitation vectors within existing deployments. The vulnerability also maps to several ATT&CK techniques including TA0002 Command and Control through T1059 Command and Scripting Interpreter and T1078 Valid Accounts for privilege escalation scenarios.