CVE-2026-12944 IBM Langflow OSS - Remote Code Execution

IBM Langflow OSS 1.0.0 through 1.10.0 contains a remote code execution caused by submission of components with socket or urllib imports, letting attackers execute arbitrary Python code with root privileges, exploit requires crafted component submission.

CVSS base score 9.6 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Required
EPSS
0.43% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution, Information Disclosure, File System Read, Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Published
14 September 2026
Updated
15 October 2026
Weakness
CWE-918

Vendor fix

Update to the latest version beyond 1.10.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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