IBM Langflow OSS 1.0-1.10.3 MCP cmd exec (auth)
CVE-2026-17623 Published on August 5, 2026

Langflow is affected OS Command Injection in Model Context Protocol features
IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of the command field in MCP server configurations.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-17623 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 Shell injection Vulnerability?

The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

CVE-2026-17623 has been classified to as a Shell injection vulnerability or weakness.


Products Associated with CVE-2026-17623

Want to know whenever a new CVE is published for IBM Langflow Oss? stack.watch will email you.

IBM Langflow Oss
 

Affected Versions

IBM Langflow OSS: