IBM Langflow Desktop 1.0.01.8.4 CMD Exec Vulnerability
CVE-2026-6543 Published on April 30, 2026

Authenticated Remote Code Execution Vulnerability in Langflow Code Validation Endpoint
IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow allows an attacker to execute arbitrary commands with the privileges of the process running Langflow. This allows reading sensitive environment variables (API keys, DB credentials), modifying files, or launching further attacks on the internal network.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-6543 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2026-6543 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2026-6543

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IBM Langflow Desktop
 

Affected Versions

IBM Langflow Desktop: