CVE-2025-56405

HIGH
Published Sep 10, 2025 Modified Sep 17, 2025 CWE-284 CWE-306

Description

An issue was discovered in litmusautomation litmus-mcp-server thru 0.0.1 allowing unauthorized attackers to control the target's MCP service through the SSE protocol.

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CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-284 CWE-284
CWE-306 Missing Authentication

Affected Products

Vendor Product
litmus mcp_server

References

Frequently Asked Questions

What is CVE-2025-56405? +
An issue was discovered in litmusautomation litmus-mcp-server thru 0.0.1 allowing unauthorized attackers to control the target's MCP service through the SSE protocol. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2025-56405? +
CVE-2025-56405 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-56405? +
CVE-2025-56405 affects products from litmus, specifically: mcp_server. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-56405? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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