Langflow unauthenticated IDOR vulnerability on image downloads

# Langflow unauthenticated IDOR vulnerability on image downloads

https://gcdradar.vercel.app/incidents/langflow-unauthenticated-idor-vulnerability-on-image-downloa · AIR-2026-0508 · closed 2026-03-20

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-03-20
- AI role: Attack on AI
- Products: langflow
- CVE ids: CVE-2026-33484
- CVSS: 7.5

## Summary

Langflow's image download endpoint lacked authentication and ownership checks, permitting unauthenticated users to retrieve images using flow IDs. A patch has been provided to address the issue.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-03-24: CVE-2026-33484: Langflow is a tool for building and deploying AI-powered agents and workflows. (https://nvd.nist.gov/vuln/detail/CVE-2026-33484)
- 2026-03-20: CVE-2026-33484: langflow has Unauthenticated IDOR on Image Downloads (https://github.com/advisories/GHSA-7grx-3xcx-2xv5)

## Sources

- 2026-03-20 GitHub Advisory Database: CVE-2026-33484: langflow has Unauthenticated IDOR on Image Downloads https://github.com/advisories/GHSA-7grx-3xcx-2xv5
- 2026-03-24 NVD: CVE-2026-33484: Langflow is a tool for building and deploying AI-powered agents and workflows. https://nvd.nist.gov/vuln/detail/CVE-2026-33484

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.