Security Advisory

CVE-2026-55255

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-06-23 16:28:20

Last updated 2026-07-08 03:56:30

Assigner GitHub_M

CVSS score 8.4

State PUBLISHED

Description

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.1, an Insecure Direct Object Reference (IDOR) vulnerability in /api/v1/responses endpoint allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request. This vulnerability is fixed in 1.9.1.

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