CVE-2026-6597

LOW 2.7

langflow-ai langflow Flow Using API core.py has_api_terms credentials storage

CVSS Score

2.7

EPSS Score

0.0%

EPSS Percentile

0th

A weakness has been identified in langflow-ai langflow up to 1.8.3. Impacted is the function remove_api_keys/has_api_terms of the file src/backend/base/langflow/api/utils/core.py of the component Flow Using API. This manipulation causes unprotected storage of credentials. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-256 CWE-255
Vendor	langflow-ai
Product	langflow
Published	Apr 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/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/358232 vuldb.com: https://vuldb.com/vuln/358232/cti vuldb.com: https://vuldb.com/submit/791920 gist.github.com: https://gist.github.com/chenhouser2025/b93261c6e651f14800a4f2e4365f357b

Credits

🔍 Eric-d (VulDB User) VulDB CNA Team