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2 vulnerabilities by efforthye

CVE-2026-5327 (GCVE-0-2026-5327)

Vulnerability from cvelistv5 – Published: 2026-04-02 11:45 – Updated: 2026-04-02 13:23
VLAI
Title
efforthye fast-filesystem-mcp index.ts handleGetDiskUsage command injection
Summary
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.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
efforthye fast-filesystem-mcp Affected: 3.5.0
Affected: 3.5.1
    cpe:2.3:a:efforthye:fast-filesystem-mcp:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Yinci Chen (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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CVE-2025-67364 (GCVE-0-2025-67364)

Vulnerability from cvelistv5 – Published: 2026-01-07 00:00 – Updated: 2026-01-07 16:57
VLAI
Summary
fast-filesystem-mcp version 3.4.0 contains a critical path traversal vulnerability in its file operation tools including fast_read_file. This vulnerability arises from improper path validation that fails to resolve symbolic links to their actual physical paths. The safePath and isPathAllowed functions use path.resolve() which does not handle symlinks, allowing attackers to bypass directory access restrictions by creating symlinks within allowed directories that point to restricted system paths. When these symlinks are accessed through valid path references, the validation checks are circumvented, enabling access to unauthorized files.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • n/a
  • CWE-24 - Path Traversal: '../filedir'
Assigner
References
Show details on NVD website
To clipboard 

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