Vulnerability · Published Apr 27, 2026 · Assigned by VulDB
CVE-2026-7159douinc mkdocs-mcp-plugin server.py list_documents path traversal
High 7.3
In plain English
A high-severity path traversal in mkdocs-mcp-plugin from douinc. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).
Official description
A vulnerability was found in douinc mkdocs-mcp-plugin up to 0.4.1. This affects the function read_document/list_documents of the file server.py. Performing a manipulation of the argument docs_dir/file_path results in path traversal. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor confirms, that the "fix will be published within a few days."
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | mkdocs-mcp-plugin | no fix listed | GHSA-wfr3-hf93-qgg3 |
| PyPI | mkdocs-mcp-plugin | no fix listed | PYSEC-2026-2653 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| douinc | mkdocs-mcp-plugin | 0.4.00.4.1 |
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:C
References
- VDB-359758 | douinc mkdocs-mcp-plugin server.py list_documents path traversal vdb-entry, technical-description
- VDB-359758 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #802063 | douinc mkdocs-mcp-plugin 0.4.1 Path Traversal third-party-advisory
- https://github.com/douinc/mkdocs-mcp-plugin/issues/6 exploit, issue-tracking
- https://github.com/douinc/mkdocs-mcp-plugin/issues/6#issuecomment-4223718119 issue-tracking
- https://github.com/douinc/mkdocs-mcp-plugin/ product