CVE-2026-0770
Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability
Langflow LangflowApplications & CMS
CVSS
9.8CriticalExploit odds (EPSS)62.6%Chance of exploitation activity in the next 30 days, higher than 99% 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
- 23 Jan 2026, 03:28 UTCPublishedCVE List
- 23 May 2026Exploit code publicMetasploit
- 21 Jul 2026Added to CISA KEVCISA KEV
Public exploit code and templates 3
- Exploit moduleLangflow Unauthenticated RCE (validate endpoint) 23 May 2026Metasploit
- Webapps exploitLangflow 1.3.0 - Remote Code Execution 29 May 2026Exploit-DB
- Scanner templateLangflow < 1.3.0 - Remote Code Execution via validate_code() exec()Nuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
Langflow contains an inclusion of functionality from untrusted control sphere vulnerability that allows remote attackers to execute arbitrary code on affected installations.
Text from CVE List
Affected versions 1
- Langflowaffected: 1.4.2CVE List