Code Injection in Langflow Desktop - CVE-2026-6543

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Main Vulnerability Database Vulnerabilities #VU128853

Code Injection in Langflow Desktop - CVE-2026-6543

Published: May 1, 2026


Vulnerability identifier: #VU128853
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-6543
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Langflow Desktop
Software vendor:
IBM Corporation

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote user can send a specially crafted request and read sensitive environment variables (API keys, DB credentials), modify files, or launch further attacks on the internal network.


Remediation

Install updates from vendor's website.

External links