Missing Authorization Affecting langflow-base package, versions [0,0.9.0)
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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- published22 Mar 2026
- disclosed20 Mar 2026
- creditAkshat Sinha
Introduced: 20 Mar 2026
CVE-2026-33484 (opens in a new tab)How to fix?
Upgrade langflow-base to version 0.9.0 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization via the download_image endpoint, which allows unauthenticated access to image files by accepting flow_id and file_name as path parameters without verifying user authentication or ownership. An attacker can access sensitive image files belonging to other users by sending crafted requests with valid identifiers.