---
title: "CVE-2026-12944: IBM Langflow OSS - Remote Code Execution"
description: "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."
url: https://panop.io/threat-heartbeat/CVE-2026-12944/
---

# 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 ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-12944)

## 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](https://cwe.mitre.org/data/definitions/918.html)

## 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-12944](https://nvd.nist.gov/vuln/detail/CVE-2026-12944)
- [https://www.ibm.com/support/pages/node/7278919](https://www.ibm.com/support/pages/node/7278919)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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