CVE-2026-6598

MEDIUM 4.3

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

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-313 CWE-312
Vendor	langflow-ai
Product	langflow
Published	Apr 20, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

langflow-ai / langflow

1.8.0 1.8.1 1.8.2 1.8.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/358233 vuldb.com: https://vuldb.com/vuln/358233/cti vuldb.com: https://vuldb.com/submit/791921 gist.github.com: https://gist.github.com/chenhouser2025/77adb3486c06c635ae4b09a3eaf90213

Credits

🔍 Eric-f (VulDB User) VulDB CNA Team