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CVE-2026-33484

Langflow has Unauthenticated IDOR on Image Downloads PUBLISHED

Description (CNA)

Langflow is a tool for building and deploying AI-powered agents and workflows. In versions 1.0.0 through 1.8.1, the `/api/v1/files/images/{flow_id}/{file_name}` endpoint serves image files without any authentication or ownership check. Any unauthenticated request with a known flow_id and file_name returns the image with HTTP 200. In a multi-tenant deployment, any attacker who can discover or guess a `flow_id` (UUIDs can be leaked through other API responses) can download any user's uploaded images without credentials. Version 1.9.0 contains a patch.

Affected (CNA)

Vendor / productVersions
langflow-ai / langflowaffected >= 1.0.0, < 1.9.0

CWE

CWE-284, CWE-639, CWE-862

References

ADP enrichment

CISA-ADP

No English description supplied.