CRITICALVulnerability
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NVD CRITICAL: CVE-2026-12944 — IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary P...

·Source: NIST NVD

Updated:

Executive Summary

IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary Python code with root privileges (UID=0) on the Langflow server by submitting components containing socket or urllib imports. This enables: (1) AWS credential theft via IMDSv1 SSRF with full IAM role permissions, (2) arbitrary file exfiltration from the container filesystem, and (3) lateral movement to internal services

Analysis

IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary Python code with root privileges (UID=0) on the Langflow server by submitting components containing socket or urllib imports. This enables: (1) AWS credential theft via IMDSv1 SSRF with full IAM role permissions, (2) arbitrary file exfiltration from the container filesystem, and (3) lateral movement to internal services (PostgreSQL, Redis) within the Docker network. The scanner incorrectly returns "validated": true, providing a false security signal. CVSS Score: 9.6. Published: 2026-09-14T22:16:56.950.

Indicators of Compromise (1)

CVE (1)
CVE-2026-12944
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Sep 14, 2026. Verified by: NIST.

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