CVE-2026-17630 Langflow is affected by security vulnerabilities in Model Context Protocol features
Remote attackers can execute arbitrary code in IBM Langflow OSS due to improper validation of configuration parameters in Model Context Protocol features.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-17630?
CVE-2026-17630 is a high-severity code injection vulnerability in Langflow Langflow, published on 5 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
IBM Langflow OSS 1.0.0 through 1.10.3 could allow a remote attacker to execute arbitrary code due to improper validation of configuration parameters.
Weakness: CWE-184
Which versions are affected by CVE-2026-17630?
It affects 1 product.
Products include Langflow Langflow.
How do I fix CVE-2026-17630?
No fix has been published for CVE-2026-17630 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-2026-17630 being exploited?
There is no known exploitation of CVE-2026-17630 in the wild and no public exploit code.
Other vulnerabilities in Langflow Langflow
Sources
Also known as GHSA-5jpf-5j69-486q.