Remote Code Execution in mudler/localai

The impact of CVE-2024-6983 is severe. An attacker exploiting this vulnerability can execute arbitrary commands with the privileges of the localai process. This could involve installing malware, stealing sensitive data, modifying system configurations, or establishing a persistent backdoor. Given localai's potential use in local development and testing environments, a successful exploit could compromise developer machines and potentially lead to supply chain attacks if malicious code is integrated into applications. The ability to execute arbitrary code grants the attacker a high degree of control over the affected system.

Developers and system administrators using localai for local development, testing, or deployment are at risk. Environments where localai is exposed to untrusted networks or external users are particularly vulnerable. Users relying on older versions of localai (≤2.17.1) without robust input validation measures are also at heightened risk.

• linux / server:

journalctl -u localai | grep -i "uploading executable"

• generic web:

curl -I http://<localai_host>/upload | grep Content-Type

• go: Inspect localai source code for insecure file handling functions. Look for functions that directly execute uploaded files without proper validation.

1. 2024-09-27Disclosure

   disclosure

1. Reservado2024-07-22
2. Publicada2024-09-27
3. EPSS atualizado2026-04-02

The primary mitigation for CVE-2024-6983 is to upgrade to version 2.19.4 or later. If upgrading immediately is not feasible, consider implementing temporary workarounds. Restrict file upload capabilities within localai to only trusted sources. Implement strict input validation to prevent the upload of executable files. Monitor system logs for suspicious file uploads or command execution attempts. Consider using a Web Application Firewall (WAF) to filter potentially malicious requests. After upgrading, confirm the fix by attempting to upload a test file and verifying that it is rejected.