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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 6
https://github.com/efforthye/fast-filesystem-mcp/
cna@vuldb.com
https://github.com/efforthye/fast-filesystem-mcp/issues/15
cna@vuldb.com
https://github.com/user-attachments/files/25822878/fast-filesystem-mcp_bug.pdf
cna@vuldb.com
https://vuldb.com/submit/780776
cna@vuldb.com
https://vuldb.com/vuln/354658
cna@vuldb.com
https://vuldb.com/vuln/354658/cti
cna@vuldb.com