CVE-2026-9198
IBM Langflow Code Injection Vulnerability
Exploited in the wild
This vulnerability is on the CISA Known Exploited Vulnerabilities list, added 2026-08-04. Federal due date: 2026-08-07.
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Public exploit code
Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.
- Langflow 1.10.0 - RCE2026-09-02 · webapps · multiple
Impact
Langflow contains a code injection vulnerability that allows unauthenticated attackers to achieve full remote code execution on default Langflow deployments.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| IBM | Langflow OSS | Version 1.0.0 ≤1.10.0 |
| Langflow | Langflow | from 1.0.0 before 1.10.1 |