Vulnerability Description
A weakness has been identified in 0215AndrewFeng ACE-MCP up to 4.10.8. The affected element is the function get_file_snippet of the file getFileSnippet.ts of the component MCP Tool. Executing a manipulation of the argument projectRootPath/filePath can lead to path traversal. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. isPathInsideProjectRoot only blocks filePath escaping the attacker-chosen projectRootPath; the root itself is untrusted client input - set projectRootPath=/etc, filePath=hosts and the guard passes. 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/0215AndrewFeng/ACE-MCP/
- https://github.com/0215AndrewFeng/ACE-MCP/issues/1
- https://github.com/Xh1Xxhg/public_exp/issues/3
- https://vuldb.com/cve/CVE-2026-94046
- https://vuldb.com/submit/949256
- https://vuldb.com/vuln/407975
- https://vuldb.com/vuln/407975/cti
FAQ
What is CVE-2026-94046?
CVE-2026-94046 is a vulnerability with a CVSS score of 4.3 (MEDIUM). A weakness has been identified in 0215AndrewFeng ACE-MCP up to 4.10.8. The affected element is the function get_file_snippet of the file getFileSnippet.ts of the component MCP Tool. Executing a manipu...
How severe is CVE-2026-94046?
CVE-2026-94046 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-94046?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.