CVE-2026-5327: Command Injection in efforthye fast-filesystem-mcp
CVE-2026-5327 is a command injection vulnerability in the efforthye fast-filesystem-mcp product, specifically in the handleGetDiskUsage function of src/index. ts. This flaw affects versions up to 3. 5. 1 and can be exploited remotely without user interaction or elevated privileges. The vulnerability has a medium severity with a CVSS 4. 0 base score of 5. 3. Although the issue was reported early to the project, no response or patch has been provided yet. Public exploit code is available, increasing the risk of exploitation.
AI Analysis
Technical Summary
The vulnerability CVE-2026-5327 exists in the handleGetDiskUsage function of the efforthye fast-filesystem-mcp software up to version 3.5.1. It allows remote attackers to perform command injection by manipulating input to this function. The flaw does not require user interaction or elevated privileges but has low complexity and low impact on confidentiality, integrity, and availability. The project has been notified but has not issued a fix or mitigation guidance. Exploit code is publicly available, which may facilitate attacks.
Potential Impact
Successful exploitation of this vulnerability allows remote attackers to execute arbitrary commands on the affected system via the vulnerable function. This can lead to unauthorized command execution, potentially compromising the system. The CVSS score of 5.3 indicates a medium severity impact. There is no indication of widespread exploitation in the wild at this time.
Mitigation Recommendations
No official patch or remediation is currently available as the vendor has not responded to the issue report. Users should monitor the vendor's communications for updates and consider implementing network-level protections to restrict access to the vulnerable function. Due to the availability of public exploits, caution is advised until a fix is released. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-5327: Command Injection in efforthye fast-filesystem-mcp
Description
CVE-2026-5327 is a command injection vulnerability in the efforthye fast-filesystem-mcp product, specifically in the handleGetDiskUsage function of src/index. ts. This flaw affects versions up to 3. 5. 1 and can be exploited remotely without user interaction or elevated privileges. The vulnerability has a medium severity with a CVSS 4. 0 base score of 5. 3. Although the issue was reported early to the project, no response or patch has been provided yet. Public exploit code is available, increasing the risk of exploitation.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-5327 exists in the handleGetDiskUsage function of the efforthye fast-filesystem-mcp software up to version 3.5.1. It allows remote attackers to perform command injection by manipulating input to this function. The flaw does not require user interaction or elevated privileges but has low complexity and low impact on confidentiality, integrity, and availability. The project has been notified but has not issued a fix or mitigation guidance. Exploit code is publicly available, which may facilitate attacks.
Potential Impact
Successful exploitation of this vulnerability allows remote attackers to execute arbitrary commands on the affected system via the vulnerable function. This can lead to unauthorized command execution, potentially compromising the system. The CVSS score of 5.3 indicates a medium severity impact. There is no indication of widespread exploitation in the wild at this time.
Mitigation Recommendations
No official patch or remediation is currently available as the vendor has not responded to the issue report. Users should monitor the vendor's communications for updates and consider implementing network-level protections to restrict access to the vulnerable function. Due to the availability of public exploits, caution is advised until a fix is released. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-04-01T13:27:15.115Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 69ce5c3fe6bfc5ba1dd43aa4
Added to database: 4/2/2026, 12:08:31 PM
Last enriched: 4/10/2026, 12:14:53 AM
Last updated: 5/19/2026, 9:00:03 PM
Views: 68
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