CVE-2026-14499 Command injection in Langflow OSS

High 8.8 Published Updated

Authenticated attackers can execute arbitrary commands with elevated privileges via improper input validation in the Python Interpreter component.

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-2026-14499?

CVE-2026-14499 is a high-severity command 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 1.10.1 Langflow could allow an authenticated user to execute arbitrary commands with elevated privileges on the system due to improper validation of user supplied input in the Python Interpreter component.

Weakness: CWE-78

Which versions are affected by CVE-2026-14499?

It affects 1 product.

Products include Langflow Langflow.

How do I fix CVE-2026-14499?

No fix has been published for CVE-2026-14499 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-14499 being exploited?

There is no known exploitation of CVE-2026-14499 in the wild and no public exploit code.

All Langflow Langflow vulnerabilities

Sources

Also known as GHSA-q4fv-x4j4-jx84.

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