Vulnerability · Published Aug 27, 2026 · Assigned by VulDB
CVE-2026-81491boxpositron with-context-mcp index.ts project_folder path traversal
High 7.3
In plain English
A high-severity path traversal in with-context-mcp from boxpositron. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).
Official description
A flaw has been found in boxpositron with-context-mcp up to 3.0.7. This affects the function ingest_notes/teleport_notes/sync_notes/project_folder of the file src/index.ts. Executing a manipulation can lead to path traversal. It is possible to launch the attack remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| boxpositron | with-context-mcp | 3.0.03.0.13.0.23.0.33.0.43.0.53.0.63.0.7 |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-395981 | boxpositron with-context-mcp index.ts project_folder path traversal vdb-entry, technical-description
- VDB-395981 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-81491 | CVE Analysis and Report third-party-advisory
- Submit #887138 | boxpositron with-context-mcp 3.0.7 Path Traversal third-party-advisory
- http://github.com/boxpositron/with-context-mcp/issues/2 exploit, issue-tracking