CVE-2026-9198
IBM Langflow Code Injection Vulnerability
IBM LangflowApplications & CMS
CVSS
9.8CriticalExploit odds (EPSS)28.7%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
CISA required actionApply 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. CISA KEV
Patching is not enoughCISA requires federal agencies to look for signs of compromise on affected systems, not only patch (forensic triage under BOD 26-04). Treat exposed systems as possibly compromised. CISA guidance
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Timeline
- 17 Jul 2026Exploit code publicMetasploit
- 17 Jul 2026, 17:36 UTCPublishedCVE List
- 4 Aug 2026Added to CISA KEVCISA KEV
Public exploit code and templates 3
- Exploit moduleLangflow AI auto_login RCE 17 Jul 2026Metasploit
- Webapps exploitLangflow 1.10.0 - RCE 2 Sep 2026Exploit-DB
- Scanner templateIBM Langflow - Remote Code ExecutionNuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
Langflow contains a code injection vulnerability that allows unauthenticated attackers to achieve full remote code execution on default Langflow deployments.
Text from CVE List
Affected versions 1
- Langflow OSSaffected: 1.0.0 through 1.10.0CVE List