---
id: CVE-2026-6597
aliases:
  - GHSA-5jjf-wcvf-923w
  - PYSEC-2026-2565
title: Langflow has an Information Leak through Incomplete API Key Redaction
summary: Langflow has an Information Leak through Incomplete API Key Redaction
severity: low
cvss: 2.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N'
vendor: langflow
product: langflow
ecosystem: pip
affected:
  - langflow <= 1.8.3
published: '2026-04-20'
updated: '2026-07-13'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-5jjf-wcvf-923w'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-6597'
  - url: 'https://gist.github.com/chenhouser2025/b93261c6e651f14800a4f2e4365f357b'
  - url: 'https://github.com/langflow-ai/langflow'
  - url: 'https://vuldb.com/submit/791920'
  - url: 'https://vuldb.com/vuln/358232'
  - url: 'https://vuldb.com/vuln/358232/cti'
tags:
  - osv
  - pip
epss: 0.0032
epssPercentile: 0.25214
ingestedAt: '2026-07-13T18:57:53.311Z'
---

## Overview

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.

## Affected packages

- `langflow <= 1.8.3`

## Remediation

Refer to the advisory for the patched release.