CVE-2026-97655
Received Received - Intake

Remote Code Execution in IBM Langflow OSS

Publication date: 2026-10-07

Last updated on: 2026-10-07

Assigner: IBM Corporation

Description
IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote attacker to execute arbitrary code due to an incomplete blocklist in the code security scanner.

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Meta Information

Published
2026-10-07
Last Modified
2026-10-07
Generated
2026-10-07
AI Q&A
2026-10-07
EPSS Evaluated
N/A
NVD
CVE-2026-97655

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
IBM Langflow OSS 1.0.0

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

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Executive Summary

IBM Langflow OSS versions 1.0.0 through 1.12.2 have a flaw where a remote attacker could execute arbitrary code. This is due to an incomplete blocklist in the code security scanner, allowing malicious inputs to bypass security checks.

Impact Analysis

An attacker could exploit this to run unauthorized code on your system, potentially stealing data, installing malware, or disrupting services. Systems running affected versions are at risk if exposed to untrusted networks.

Mitigation Strategies

Update IBM Langflow OSS to a version beyond 1.12.2 to ensure the incomplete blocklist in the code security scanner is addressed.

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