IBM Langflow OSS <1.11: Authenticated Runtime Param Override via API
CVE-2026-8056 Published on July 17, 2026

Parameter Injection Vulnerability in API Graph Execution Engine
IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated users to override component parameters at runtime via the API. A critical security flaw exists in the parameter filtering mechanism within the `apply_tweaks()` function.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-8056 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 be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

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-2026-8056 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2026-8056

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IBM Langflow Oss
 

Affected Versions

IBM Langflow OSS: