IBM Langflow OSS 1.0.0-1.10.3 Auth Exec via LLMgenerated Python Validation
CVE-2026-9196 Published on August 5, 2026
Langflow OSS is affected by arbitrary code execution in component generation, validation, and custom component handling
IBM Langflow OSS 1.0.0 through 1.10.3 could allow an authenticated attacker to execute unintended code during Agentic Assistant validation due to improper handling of LLMgenerated components. The application executes modelgenerated Python code in the backend during validation prior to user approval, which may allow an attacker to trigger side effects such as outbound network access, file system interaction, or data exfiltration with the privileges of the Langflow backend process.
Vulnerability Analysis
CVE-2026-9196 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a Code Injection Vulnerability?
The software 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.
CVE-2026-9196 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-9196
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Affected Versions
IBM Langflow OSS:- Version 1.0.0, <= 1.10.3 is affected.