Vulnerability Description
A security flaw has been discovered in efforthye fast-filesystem-mcp up to 3.5.1. The affected element is the function handleGetDiskUsage of the file src/index.ts. Performing a manipulation results in command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/efforthye/fast-filesystem-mcp/
- https://github.com/efforthye/fast-filesystem-mcp/issues/15
- https://github.com/user-attachments/files/25822878/fast-filesystem-mcp_bug.pdf
- https://vuldb.com/submit/780776
- https://vuldb.com/vuln/354658
- https://vuldb.com/vuln/354658/cti
FAQ
What is CVE-2026-5327?
CVE-2026-5327 is a vulnerability with a CVSS score of 6.3 (MEDIUM). A security flaw has been discovered in efforthye fast-filesystem-mcp up to 3.5.1. The affected element is the function handleGetDiskUsage of the file src/index.ts. Performing a manipulation results in...
How severe is CVE-2026-5327?
CVE-2026-5327 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-5327?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.