CVE-2026-6598
MEDIUMlangflow-ai langflow Project Creation Endpoint projects.py encrypt_auth_settings cleartext storage in file
Title source: cnaDescription
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