CVE-2024-6040 Overview
CVE-2024-6040 is a Cross-Site Request Forgery (CSRF) vulnerability in parisneo/lollms-webui version 9.8. The lollms_binding_infos component is missing the client_id parameter, exposing multiple binding management endpoints to unauthorized requests. Affected endpoints include /reload_binding, /install_binding, /reinstall_binding, /unInstall_binding, /set_active_binding_settings, and /update_binding_settings. An attacker who tricks an authenticated user into visiting a malicious page can trigger state-changing actions on the victim's local lollms instance, including binding installation and configuration changes.
Critical Impact
Successful exploitation allows attackers to install, reinstall, uninstall, or reconfigure model bindings on the victim's machine without consent, leading to local compromise.
Affected Products
- parisneo/lollms-webui version 9.8
- Lollms Web UI deployments exposing binding management endpoints
- Local installations of lollms-webui without CSRF protection
Discovery Timeline
- 2024-08-01 - CVE-2024-6040 published to NVD
- 2025-10-15 - Last updated in NVD database
Technical Details for CVE-2024-6040
Vulnerability Analysis
The vulnerability is classified under [CWE-352] Cross-Site Request Forgery. The lollms_binding_infos handler does not require a client_id parameter tied to the authenticated session. Without this server-side token check, the application cannot distinguish between requests initiated by the legitimate user and forged cross-origin requests. The affected endpoints perform privileged operations on the host running lollms-webui, including installing and modifying Python-based bindings. Because lollms-webui typically runs on localhost with broad permissions, forged requests inherit the user's full privileges on the local machine.
Root Cause
The root cause is missing CSRF token validation on state-changing endpoints. The client_id parameter, which would bind requests to an authenticated session context, is absent from lollms_binding_infos. The endpoints accept requests based solely on origin reachability rather than verified session identifiers.
Attack Vector
An attacker hosts a malicious web page that issues requests to the victim's local lollms-webui instance, typically reachable at http://localhost:9600 or similar. When the victim visits the page while lollms-webui is running, the browser issues forged requests to endpoints such as /install_binding or /update_binding_settings. Required user interaction is limited to visiting the attacker-controlled page. Successful exploitation can install attacker-chosen bindings or alter active binding settings on the victim's host.
No verified exploit code is publicly available. See the Huntr Bounty Listing for the original disclosure.
Detection Methods for CVE-2024-6040
Indicators of Compromise
- Unexpected entries in lollms binding configuration files or directories
- HTTP POST requests to /install_binding, /reinstall_binding, or /unInstall_binding originating from cross-origin Referer headers
- New or modified binding packages installed without a corresponding user-initiated session
- Outbound network connections from lollms processes to unfamiliar package sources
Detection Strategies
- Inspect lollms-webui access logs for requests to the six affected endpoints with missing or mismatched Origin or Referer headers
- Monitor file system changes under the lollms bindings directory using endpoint integrity tools
- Alert on Python package installation activity spawned by the lollms-webui process tree
Monitoring Recommendations
- Forward lollms-webui application logs to a centralized SIEM for cross-origin request analysis
- Track child process creation under the lollms server process, focusing on pip, git, and shell invocations
- Baseline normal binding configuration state and alert on unauthorized modifications
How to Mitigate CVE-2024-6040
Immediate Actions Required
- Restrict lollms-webui binding to 127.0.0.1 and avoid exposing the service on routable interfaces
- Close the lollms-webui browser tab when not actively in use to reduce CSRF exposure window
- Review installed bindings and revert any unrecognized additions or configuration changes
- Apply the latest patched release from the upstream parisneo/lollms-webui repository once available
Patch Information
No vendor patch URL is listed in the NVD record at the time of writing. Refer to the Huntr Bounty Listing for remediation status and upgrade guidance from the maintainer.
Workarounds
- Run lollms-webui behind a reverse proxy that enforces SameSite=Strict cookies and validates Origin headers
- Use a dedicated browser profile or container for lollms-webui to isolate it from general web browsing
- Block outbound requests from web browsers to the lollms-webui listening port using host firewall rules when the application is not in use
# Restrict lollms-webui to loopback and block external browser access
# Example: bind only to localhost when launching the service
python app.py --host 127.0.0.1 --port 9600
# Example host firewall rule (Linux) blocking non-loopback access
sudo iptables -A INPUT -p tcp --dport 9600 ! -i lo -j DROP
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
