CVE-2026-19304
Received Received - Intake

Remote Code Execution in IBM Langflow OSS

Publication date: 2026-09-04

Last updated on: 2026-09-04

Assigner: IBM Corporation

Description
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.

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Meta Information

Published
2026-09-04
Last Modified
2026-09-04
Generated
2026-09-04
AI Q&A
2026-09-04
EPSS Evaluated
N/A
NVD
CVE-2026-19304
EUVD
EUVD-2026-71266

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ibm langflow_oss From 1.0.0 (inc) to 1.11.2 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

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Executive Summary

IBM Langflow OSS versions 1.0.0 through 1.11.2 have a vulnerability where a remote authenticated attacker could access sensitive information from internal services. This occurs due to a discrepancy in how URLs are parsed, potentially exposing data that should remain internal.

Impact Analysis

If exploited, this vulnerability could allow unauthorized access to sensitive internal data, leading to potential data breaches, loss of confidential information, or further network compromise depending on the exposed services.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR, HIPAA, or other regulations by exposing protected or sensitive data. Organizations may face legal penalties, reputational damage, or mandatory breach notifications if such data is compromised.

Mitigation Strategies

Update IBM Langflow OSS to the latest version beyond 1.11.2 to address the URL parser discrepancy. Ensure only authenticated users have access to internal services and restrict network exposure of sensitive services.

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