dazeb markdown-downloader up to 3d4394b34b6c99d81af817623af55e3384df5a6a src/index.ts path traversal

Summaryinfo

A vulnerability marked as critical has been reported in dazeb markdown-downloader up to 3d4394b34b6c99d81af817623af55e3384df5a6a. Affected by this vulnerability is the function download_markdown/list_downloaded_files/create_subdirectory of the file src/index.ts. The manipulation leads to path traversal. This vulnerability is listed as CVE-2026-9472. The attack may be initiated remotely. In addition, an exploit is available. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in dazeb markdown-downloader up to 3d4394b34b6c99d81af817623af55e3384df5a6a. It has been rated as critical. This issue affects the function download_markdown/list_downloaded_files/create_subdirectory of the file src/index.ts. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-9472. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1006 for this issue.

The exploit is available at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-31704). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• dazeb

Name

• markdown-downloader

Version

• 3d4394b34b6c99d81af817623af55e3384df5a6a

Website

• Product: https://github.com/dazeb/markdown-downloader/

CPE 2.3info

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CPE 2.2info

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Accepted

• Submit #814000: dazeb markdown-downloader 3d4394b34b6c99d81af817623af55e3384df5a6a Path Traversal (by github.com)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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