AVID-2026-R1640

Description

Unrestricted File Upload and Execution in parisneo/lollms-webui (CVE-2024-9920)

Details

In version v12 of parisneo/lollms-webui, the ‘Send file to AL’ function allows uploading files with various extensions, including potentially dangerous ones like .py, .sh, .bat, and more. Attackers can exploit this by uploading files with malicious content and then using the ‘/open_file’ API endpoint to execute these files. The vulnerability arises from the use of ‘subprocess.Popen’ to open files without proper validation, leading to potential remote code execution.

Reason for inclusion in AVID: CVE-2024-9920 describes an unrestricted file upload vulnerability in parisneo/lollms-webui that enables remote code execution via the /open_file endpoint using subprocess.Popen. The affected artifact is a web UI component used to deploy/run AI models, making it an AI-related software component in the general-purpose AI stack. It constitutes a security vulnerability with a concrete exploitation path. The report provides explicit details (v12, dangerous extensions, /open_file, subprocess.Popen), giving sufficient signal for AVID evaluation.

References

Affected or Relevant Artifacts

Developer: parisneo
Deployer: parisneo
Artifact Details:

Type	Name
System	parisneo/lollms-webui

Impact

AVID Taxonomy Categorization

Risk domains: Security
SEP subcategories: S0100: Software Vulnerability
Lifecycle stages: L06: Deployment

CVSS

Version	3.0
Vector String	CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score	6.6
Base Severity	🟠 Medium
Attack Vector	PHYSICAL
Attack Complexity	🟢 Low
Privileges Required	🟢 Low
User Interaction	NONE
Scope	UNCHANGED
Confidentiality Impact	🔴 High
Integrity Impact	🔴 High
Availability Impact	🔴 High

CWE

ID	Description
CWE-434	CWE-434 Unrestricted Upload of File with Dangerous Type

Other information

Report Type: Advisory
Credits:
Date Reported: 2025-03-20
Version: 0.3.3
AVID Entry