CVE-2026-21445

CRITICAL

9.1

Description

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.7.0.dev45, multiple critical API endpoints in Langflow are missing authentication controls. The issue allows any unauthenticated user to access sensitive user conversation data, transaction histories, and perform destructive operations including message deletion. This affects endpoints handling personal data and system operations that should require proper authorization. Version 1.7.0.dev45 contains a patch.

Details CVE

Score CVSS v3.19.1

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie1/2/2026

Derniere modification1/16/2026

Sourcenvd

Observations honeypot0

Produits affectes

langflow:langflow

Faiblesses (CWE)

CWE-306

References

https://github.com/langflow-ai/langflow/commit/3fed9fe1b5658f2c8656dbd73508e113a96e486a(security-advisories@github.com)

https://github.com/langflow-ai/langflow/security/advisories/GHSA-c5cp-vx83-jhqx(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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