CVE-2026-8056 Parameter Injection Vulnerability in API Graph Execution Engine
Authenticated attackers can inject malicious parameters into the API graph execution engine, potentially leading to arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8056?
CVE-2026-8056 is a high-severity code injection vulnerability in Langflow Langflow, published on 17 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-94
Which versions are affected by CVE-2026-8056?
It affects 1 product.
Products include Langflow Langflow.
How do I fix CVE-2026-8056?
No fix has been published for CVE-2026-8056 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-8056 being exploited?
There is no known exploitation of CVE-2026-8056 in the wild and no public exploit code.
Other vulnerabilities in Langflow Langflow
Sources
Also known as GHSA-j327-34qm-gmcp.