---
id: CVE-2026-19304
title: >-
  IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated
  attacker to obtain sensitive information from internal services due to a URL
  parser discrepancy.
summary: >-
  IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated
  attacker to obtain sensitive information from internal services due to a URL
  parser discrepancy.
severity: high
cvss: 7.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'
cwe:
  - CWE-918
vendor: langflow
product: langflow
affected:
  - 'langflow >= 1.0.0, < 1.11.3'
patched:
  - langflow 1.11.3
published: '2026-09-04'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T22:10:22.517'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-19304'
references:
  - url: 'https://www.ibm.com/support/pages/node/7285639'
    label: psirt@us.ibm.com
tags:
  - nvd
  - cve.org
epss: 0.00307
epssPercentile: 0.21063
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-08T17:14:42.581676Z'
ingestedAt: '2026-09-08T15:33:26.961Z'
---

## Overview

IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive information from internal services due to a URL parser discrepancy.

## Affected

- `langflow >= 1.0.0, < 1.11.3`

## Remediation

Upgrade past the affected range:

- `langflow 1.11.3`