CVE-2026-49291
MCP · mcp-memory-service
The mcp-memory-service, a semantic memory layer for AI applications, is affected by a security vulnerability that may expose sensitive data or allow unauthorized system access.
Executive summary
A high-severity vulnerability in the mcp-memory-service AI memory layer poses a substantial risk of unauthorized data access and potential exploitation of AI application logic.
Vulnerability
This vulnerability affects the mcp-memory-service, which functions as a semantic memory layer for AI applications. The flaw potentially allows attackers to interact with or manipulate the stored memory state, leading to unauthorized data exposure or service disruption.
Business impact
The CVSS score of 8.1 reflects a High-severity risk. As this service handles semantic data for AI applications, an exploit could result in the leakage of sensitive training data, poisoning of the AI's memory, or unauthorized control over the application's reasoning capabilities, leading to significant business disruption.
Remediation
Immediate Action: Update the mcp-memory-service to the latest version released by the vendor to address the identified vulnerability.
Proactive Monitoring: Monitor service logs for anomalous read/write operations or unauthorized attempts to access or query the semantic memory layer.
Compensating Controls: Restrict network access to the memory service using strict firewall rules or VPC security groups to ensure only trusted application components can communicate with the service.
Exploitation status
Public Exploit Available: false
Analyst recommendation
The reliance of AI applications on the mcp-memory-service makes this vulnerability critical to remediate. Teams should prioritize updating this component to maintain the integrity and confidentiality of their AI-driven workflows.