CVE-2026-6543 HIGH

CVE-2026-6543: Authenticated Remote Code Execution Vulnerability in Langflow Code Validation Endpoint

Vendor Ibm
Product Langflow Desktop
Weakness CWE-94 · Code injection
Published April 30, 2026
Last update May 2, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 30, 2026 CVE published
May 2, 2026 Record updated