Unauthorized Control Vulnerability in Litmus Automation MCP Service
CVE-2025-56405

7.5HIGH

Key Information:

Vendor

Litmus Automation

Status
litmus-mcp-server
Vendor
CVE Published:
10 September 2025

What is CVE-2025-56405?

A security flaw has been identified in Litmus Automation’s MCP Service that enables unauthorized attackers to manipulate the server via the SSE protocol. This vulnerability poses significant risks to system integrity, allowing attackers to gain control over the MCP functionalities without proper authentication. It is imperative for users of litmus-mcp-server to implement immediate protections against potential exploitation.

References

https://github.com/litmusautomation/litmus-mcp-server/iss...
https://github.com/August829/CVEP/issues/3

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-56405 : Unauthorized Control Vulnerability in Litmus Automation MCP Service