IBM Langflow OSS Information Disclosure Vulnerability

Publication date: 2026-09-10

Last updated on: 2026-09-10

Assigner: IBM Corporation

Description

IBM Langflow OSS 1.0.0 through 1.11.5 could allow a remote authenticated attacker to obtain sensitive information due to improper validation of user-controlled API endpoints.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-10

Last Modified

2026-09-10

Generated

2026-09-11

AI Q&A

2026-09-11

EPSS Evaluated

N/A

NVD

CVE-2026-79723

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	langflow_oss	From 1.0.0 (inc) to 1.11.5 (inc)

Helpful Resources

Exploitability

CWE

KEV

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.

Attack-Flow Graph

Executive Summary

This vulnerability in IBM Langflow OSS versions 1.0.0 through 1.11.5 allows a remote authenticated attacker to access sensitive information. The issue stems from improper validation of user-controlled API endpoints, which could be exploited to retrieve confidential data.

Impact Analysis

If exploited, this vulnerability could lead to unauthorized access to sensitive information, potentially compromising data confidentiality. Attackers might extract confidential details due to the lack of proper endpoint validation.

Mitigation Strategies

Update IBM Langflow OSS to version 1.11.6 or later to address the improper validation issue. Restrict access to authenticated users only and monitor API endpoints for unusual activity.

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