A high-severity OS command injection vulnerability in IBM Langflow OSS (CVE-2026-14499) allows authenticated attackers to achieve remote code execution.

This vulnerability is an OS Command Injection (CWE-78) flaw that occurs due to improper neutralization of special elements in system commands. An attacker with low-level authenticated access can manipulate input parameters to execute unauthorized commands on the underlying operating system.

Successful exploitation allows an attacker to gain full control over the application server, potentially leading to total data compromise, lateral movement within the network, or persistent unauthorized access. With a CVSS score of 8.8, this vulnerability poses a significant risk to the confidentiality, integrity, and availability of the affected system.

Immediate Action: Upgrade IBM Langflow OSS to version 1.10.2 or later as instructed by the vendor.

Proactive Monitoring: Monitor system logs for suspicious process execution, unexpected shell spawns, or unusual outbound network connections originating from the Langflow application service.

Compensating Controls: Ensure the application is running with the principle of least privilege, specifically restricting the permissions of the service account executing the Langflow processes to prevent further system compromise.

Public Exploit Available: Unknown.

The severity of this flaw necessitates immediate attention. Organizations should prioritize updating their Langflow OSS deployments to version 1.10.2 to eliminate the risk of remote command execution.