CVE-2026-7873 Code Injection Vulnerability in Code Validation Endpoint
Authenticated attackers can execute arbitrary OS commands and read sensitive files in IBM Langflow OSS, leading to system compromise.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-7873?
CVE-2026-7873 is a critical code injection vulnerability in Langflow Langflow, published on 30 Jun 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 attackers to execute arbitrary OS commands and read sensitive files including credentials, enabling complete system compromise and lateral movement.
Weakness: CWE-94
Which versions are affected by CVE-2026-7873?
2 open source packages ship an affected version, including langflow. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
langflow PyPI | From 1.0.0 | 1.10.1.rc0 |
langflow PyPI | From 1.0.0 | 1.10.1.rc0 |
Products include Langflow Langflow.
How do I fix CVE-2026-7873?
Upgrade langflow to 1.10.1.rc0 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-7873 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7873 exists.
Public exploit code: 1 Metasploit module and 1 proofs of concept on GitHub.
Other vulnerabilities in Langflow Langflow
Sources
Also known as GHSA-v798-mcc6-2m3m.