Arbitrary File Upload Affecting langflow-base package, versions [,0.8.0)
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-LANGFLOWBASE-16110820
- published20 Apr 2026
- disclosed20 Apr 2026
- creditchenhouser2025
Introduced: 20 Apr 2026
CVE-2026-6596 (opens in a new tab)How to fix?
Upgrade langflow-base to version 0.8.0 or higher.
Overview
Affected versions of this package are vulnerable to Arbitrary File Upload via the create_upload_file function. An attacker can upload arbitrary files by sending crafted requests to the affected API endpoint.