CVE-2026-6598
langflow-ai langflow Project Creation Endpoint projects.py encrypt_auth_settings cleartext storage in file
- State
- Published
- Severity
- 5.3 Medium
- Published
- Apr 20, 2026
- Updated
- Apr 20, 2026
- Reserved
- Apr 19, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
langflowlangflow-ai |
|
References
- VDB-358233 | langflow-ai langflow Project Creation Endpoint projects.py encrypt_auth_settings cleartext storage in filevdb-entrytechnical-description
- VDB-358233 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #791921 | Langflow <= 1.8.3 CWE-311: Missing Encryption of Sensitive Datathird-party-advisory
- https://gist.github.com/chenhouser2025/77adb3486c06c635ae4b09a3eaf90213exploit
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