Unsafe Dependency Resolution Affecting lfx package, versions [0,0.4.0)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-LFX-15091579
- published25 Jan 2026
- disclosed23 Jan 2026
- creditPeter Girnus, Alfredo Oliveira, William Gamazo Sanchez
Introduced: 23 Jan 2026
CVE-2026-0770 (opens in a new tab)How to fix?
Upgrade lfx to version 0.4.0 or higher.
Overview
lfx is a lfx is a command-line tool for running Langflow workflows. It provides two main commands: serve and run.
Affected versions of this package are vulnerable to Unsafe Dependency Resolution via the exec_globals parameter in the validate endpoint. An attacker can execute arbitrary code by supplying crafted input to this parameter.