PYSEC-2026-221

At a glance

Published
Updated
CVE
CVE-2026-55255
Aliases
GHSA-qrpv-q767-xqq2
CVSS_V3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

Description

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, 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 1.9.2.

Affected packages

PackageVersions
PyPI · langflowintroduced 0, fixed 1.9.2

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — PyPA Advisory Database