IBM Langflow OSS 1.0.0-1.11.1 Remote Code Execution via A2A Endpoint
CVE-2026-19286 Published on August 28, 2026
Langflow is affected by multiple remote code execution vulnerabilities due to insufficient code-execution policy enforcement
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary code due to improper enforcement of security restrictions on the A2A public endpoint.
Vulnerability Analysis
CVE-2026-19286 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
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-2026-19286 has been classified to as a Code Injection vulnerability or weakness.
Products Associated with CVE-2026-19286
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Affected Versions
IBM Langflow OSS:- Version 1.0.0, <= 1.11.1 is affected.