IBM Langflow OSS Remote Code Execution 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.

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-2026-81265

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

IBM Langflow OSS versions 1.0.0 through 1.11.5 contain a vulnerability that allows unauthorized access to sensitive information due to improper access controls. The CVSS score of 7.5 indicates a high severity issue with network-based attack vector and no privileges required.

Impact Analysis

This vulnerability could allow attackers to access confidential data without authentication. Impact includes potential data breaches, loss of sensitive information, and compromise of system integrity. The high confidentiality impact (C:H) means sensitive data could be exposed.

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