CVE-2026-6598

MEDIUM

langflow-ai langflow Project Creation Endpoint projects.py encrypt_auth_settings cleartext storage in file

Title source: cna
STIX 2.1

Description

A security vulnerability has been detected in langflow-ai langflow up to 1.8.3. The affected element is the function create_project/encrypt_auth_settings of the file src/backend/base/Langflow/api/v1/projects.py of the component Project Creation Endpoint. Such manipulation of the argument auth_settings leads to cleartext storage in a file or on disk. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References (4)

Core 4
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-358233 | langflow-ai langflow Project Creation Endpoint projects.py encrypt_auth_settings cleartext storage in file
https://vuldb.com/vuln/358233
Signature, Permissions Required signature permissions-required
VDB-358233 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/358233/cti
Third Party Advisory third-party-advisory
Submit #791921 | Langflow <= 1.8.3 CWE-311: Missing Encryption of Sensitive Data
https://vuldb.com/submit/791921

Scores

CVSS v3 4.3
EPSS 0.0015
EPSS Percentile 4.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-312 CWE-313
Status published
Products (5)
langflow-ai/langflow 1.8.0
langflow-ai/langflow 1.8.1
langflow-ai/langflow 1.8.2
langflow-ai/langflow 1.8.3
pypi/langflow 0 - 1.9.1PyPI
Published Apr 20, 2026
Tracked Since Apr 20, 2026