CVE-2026-59706 mem0 CVE debrief

Who should care

Users of mem0 who have exposed or unsecured instances, especially those using LLM API keys, should verify their configurations and take immediate action to secure their environments. This includes reviewing and rotating exposed keys, implementing restrictions on the ollama_base_url parameter, and monitoring for suspicious activity.

Technical summary

mem0 contains unauthenticated config API endpoints that expose LLM API keys in plaintext and allow server-side request forgery via an attacker-controlled ollama_base_url parameter. Unauthenticated attackers can retrieve stored secrets like OpenAI API keys via GET /api/v1/config/ or trigger SSRF attacks by setting ollama_base_url to internal addresses like cloud IMDS via PUT /api/v1/config/mem0/llm endpoint. The vulnerability has a critical CVSS score of 9.2 and requires immediate attention.

Defensive priority

High priority due to critical CVSS score of 9.2 and potential for significant impact through exposed API keys and SSRF attacks.

Recommended defensive actions

• Immediately secure mem0 instances by authenticating config API endpoints
• Review and rotate exposed LLM API keys
• Implement restrictions on ollama_base_url parameter to prevent SSRF attacks
• Monitor for suspicious activity on mem0 instances
• Apply vendor remediation as available
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

Evidence is limited to public disclosures and CVE/NVD records. Further verification is needed to confirm affected scope and inventory. Vendor remediation status is unknown. Additional review of mem0 GitHub repository and issue reports is required to understand the full impact of the vulnerability.

Official resources