CVE-2026-78575: Langflow is vulnerable to arbitrary code execution due to multiple incomplete code security controls and missing execution guards
Published Sep 8, 2026
·Updated
IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of command-line arguments in the MCP stdio server configuration.
Other sources
Langflow OSS could allow a remote authenticated attacker to execute arbitrary commands due to improper validation of command-line arguments in the MCP stdio server configuration.
— IBM
Affected Software
1 affected component
IBM Langflow OSS<=1.0.0-1.11.5
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IBM Langflow OSSto a version that resolves this vulnerability.Fixed in 1.11.6
Event History
Sep 8, 2026
CVE Published
via IBM·12:00 AM
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software
Sep 10, 2026
CVE Published
via MITRE·09:41 PM
Data Sourced
via MITRE·09:41 PM
RemedyDescriptionSeverityWeakness
Frequently Asked Questions
1
Is unauthenticated exploitation indicated?
No. The issue is described as requiring a remote authenticated attacker, so an attacker must first have valid authentication to the affected IBM Langflow OSS deployment.