Detections
Analytics
CVE-2026-55446
high
Description
Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.0.19, an attacker can send a /api/v1/files/upload/ request without any authentication token/cookies and abuse a very long multipart form boundary to make the langflow app unusable for all users for an indefinite amount of time. This vulnerability is fixed in 1.0.19.
References
https://github.com/langflow-ai/langflow/security/advisories/GHSA-qwqc-p3q8-wcg9