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CVE Vulnerability Database
Vulnerability Database/CVE-2024-8196

CVE-2024-8196: Mintplexlabs Anythingllm Auth Bypass Flaw

CVE-2024-8196 is an authentication bypass vulnerability in Mintplexlabs Anythingllm Desktop that exposes port 3001 without authentication, allowing attackers full backend access and data deletion capabilities.

Published: April 15, 2026

CVE-2024-8196 Overview

A critical missing authentication vulnerability has been identified in mintplex-labs/anything-llm v1.5.11 desktop version for Windows. The application opens server port 3001 on 0.0.0.0 with no authentication by default, exposing the backend API to any network-accessible attacker. This vulnerability allows unauthorized users to gain full backend access, enabling them to perform destructive actions such as deleting all data from the workspace, exfiltrating sensitive information, or manipulating AI configurations.

Critical Impact

An unauthenticated remote attacker can gain complete control over the AnythingLLM backend, potentially leading to data destruction, information theft, and complete system compromise without requiring any user interaction or credentials.

Affected Products

  • mintplexlabs anythingllm_desktop v1.5.11 and earlier
  • microsoft windows (deployment platform)
  • AnythingLLM Desktop Windows installations with default configuration

Discovery Timeline

  • 2025-03-20 - CVE CVE-2024-8196 published to NVD
  • 2025-07-15 - Last updated in NVD database

Technical Details for CVE-2024-8196

Vulnerability Analysis

This vulnerability stems from a Missing Authentication for Critical Function (CWE-306) weakness in the AnythingLLM Desktop application for Windows. When the application starts, it initializes an HTTP server on port 3001 that binds to 0.0.0.0, making it accessible from any network interface. The critical flaw is that this server provides full backend API access without requiring any form of authentication, allowing any network-connected attacker to interact with the application's administrative functions.

The binding to 0.0.0.0 rather than 127.0.0.1 (localhost) means the server accepts connections from external networks, not just the local machine. Combined with the complete absence of authentication mechanisms, this creates a remotely exploitable attack surface that requires no privileges or user interaction.

Root Cause

The root cause is an insecure default configuration where the application server binds to all network interfaces (0.0.0.0) on port 3001 without implementing any authentication layer. This design decision, likely made for ease of local development or integration purposes, fails to account for the security implications of exposing administrative functionality to potentially hostile network environments. Desktop applications that expose network services should implement authentication and ideally bind only to localhost by default.

Attack Vector

The attack vector is network-based and requires no authentication or user interaction. An attacker on the same network segment (or with network access to the target machine) can directly connect to port 3001 and issue API commands to the AnythingLLM backend. Exploitation is straightforward:

  1. The attacker scans for systems with port 3001 open
  2. Upon discovering an AnythingLLM instance, the attacker connects directly to the exposed API
  3. Without any authentication challenge, the attacker gains immediate access to all backend functionality
  4. The attacker can then perform administrative actions including workspace deletion, data exfiltration, or configuration manipulation

The vulnerability requires only network connectivity to the target system's port 3001. No credentials, social engineering, or malware deployment is necessary for successful exploitation.

Detection Methods for CVE-2024-8196

Indicators of Compromise

  • Unexpected network connections to port 3001 from external IP addresses
  • Unusual API activity patterns in AnythingLLM logs indicating bulk data operations
  • Unauthorized workspace deletions or configuration changes without corresponding user sessions
  • Network traffic analysis showing unauthenticated HTTP requests to the backend API endpoints

Detection Strategies

  • Implement network monitoring for connections to port 3001 from non-local IP addresses
  • Configure host-based firewalls to alert on inbound connections to the AnythingLLM service port
  • Deploy SentinelOne Singularity to detect and respond to suspicious process network behavior and unauthorized API access patterns
  • Monitor Windows Firewall logs for connection attempts to listening services

Monitoring Recommendations

  • Enable detailed logging on the AnythingLLM application if available
  • Use SentinelOne's network visibility features to track connections to desktop application services
  • Implement endpoint detection rules for applications binding to 0.0.0.0 on sensitive ports
  • Review system network connections periodically using netstat -an | findstr 3001 on affected Windows systems

How to Mitigate CVE-2024-8196

Immediate Actions Required

  • Apply the official patch by updating AnythingLLM Desktop to a version containing the security fix referenced in commit 9bfe477f10b188bfe3508ac29105df80d4522ece
  • Block inbound connections to port 3001 using Windows Firewall or network-level security controls
  • Review AnythingLLM workspaces for unauthorized modifications or data deletions
  • Isolate affected systems from untrusted network segments until patched

Patch Information

Mintplex Labs has addressed this vulnerability through a code commit available on GitHub. Users should update their AnythingLLM Desktop installation to the latest version that incorporates the fix. The patch can be verified through the GitHub Commit Reference. Additional technical details about the vulnerability disclosure are available through the Huntr Bounty Listing.

Workarounds

  • Configure Windows Firewall to block all inbound connections to port 3001 from external networks
  • If possible, run AnythingLLM Desktop in a network-isolated environment or on a private network segment
  • Use host-based firewall rules to restrict port 3001 access to localhost only (127.0.0.1)
  • Consider deploying network segmentation to limit exposure of desktop systems running AI applications
bash
# Windows Firewall configuration to block external access to port 3001
netsh advfirewall firewall add rule name="Block AnythingLLM External Access" dir=in action=block protocol=tcp localport=3001 remoteip=any
# Alternative: Allow only localhost connections
netsh advfirewall firewall add rule name="Allow AnythingLLM Localhost Only" dir=in action=allow protocol=tcp localport=3001 remoteip=127.0.0.1

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

  • Vulnerability Details
  • TypeAuth Bypass

  • Vendor/TechMintplexlabs Anythingllm Desktop

  • SeverityCRITICAL

  • CVSS Score9.8

  • EPSS Probability0.20%

  • Known ExploitedNo
  • CVSS Vector
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Impact Assessment
  • ConfidentialityLow
  • IntegrityNone
  • AvailabilityHigh
  • CWE References
  • CWE-306
  • Technical References
  • Huntr Bounty Listing
  • Vendor Resources
  • GitHub Commit Reference
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