Python
CVE-2026-0771
HIGH
Severity by source
AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Langflow PythonFunction Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Langflow. Attack vectors and exploitability will vary depending on the configuration of the product.
The specific flaw exists within the handling of Python function components. Depending upon product configuration, an attacker may be able to introduce custom Python code into a workflow. An attacker can leverage this vulnerability to execute code in the context of the application. Was ZDI-CAN-27497.
AnalysisAI
Langflow's PythonFunction component allows authenticated attackers with user interaction to inject and execute arbitrary Python code within application workflows, achieving remote code execution. The vulnerability affects Langflow deployments using Python-based AI/ML components, with exploitation feasibility depending on specific product configurations. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Langflow with PythonFunction component enabled. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 7.1 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A remote attacker could exploit this vulnerability to execute arbitrary code on affected installations of Langflow. |
| Remediation | Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Identify all Langflow instances in your environment and assess internet exposure; implement network segmentation to restrict access to trusted sources only. …
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