# CVE-2026-94046 — 0215AndrewFeng ACE-MCP

> As of 2026-09-21, CVE-2026-94046 is a MEDIUM-severity vulnerability in 0215AndrewFeng ACE-MCP, CVSS v3.1 4.3, EPSS 0.4% (38.1th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-94046 as of 2026-09-21; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-09-21

## What is CVE-2026-94046?

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.

The record classifies CVE-2026-94046 under weakness class [CWE-22](https://intel.threadlinqs.com/cwe/CWE-22). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 15 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 4.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R`)
- **CVSS v4.0 base score:** 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.4% probability of exploitation in the next 30 days, higher than 38.1% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-20, last modified 2026-09-21

## Is CVE-2026-94046 being exploited?

It currently carries a trending score of 39 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **0215AndrewFeng**: ACE-MCP

## How to fix CVE-2026-94046

No vendor patch reference has been recorded for CVE-2026-94046 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-94046

No threat campaign in the Threadlinqs corpus currently references CVE-2026-94046, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-09-22.

**Exploit and proof of concept**

- [github.com — exploit](https://github.com/Xh1Xxhg/public_exp/issues/3)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/407975)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/407975/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-94046)
- [vuldb.com — third party advisory (949256)](https://vuldb.com/submit/949256)

**Issue tracking and product pages**

- [github.com — issue tracking](https://github.com/0215AndrewFeng/ACE-MCP/issues/1)
- [github.com — product](https://github.com/0215AndrewFeng/ACE-MCP/)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-94046
Full detection coverage and IOCs for threats exploiting CVE-2026-94046 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp