# CVE-2025-61685: Mastra Docs MCP Server `@mastra/mcp-docs-server` Leads to Information Exposure

> An attacker can bypass security checks to list arbitrary directory contents on the user's filesystem, exposing sensitive structural information.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 3 Oct 2025
- **Updated:** 6 Oct 2025
- **Also known as:** GHSA-xh92-rqrq-227v

## What is CVE-2025-61685?

CVE-2025-61685 is a medium-severity path traversal vulnerability in mastra-ai mastra, published on 3 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Mastra is a Typescript framework for building AI agents and assistants. Versions 0.13.8 through 0.13.20-alpha.0 are vulnerable to a Directory Traversal attack that results in the disclosure of directory listings. The code contains a security check to prevent path traversal for reading file contents, but this check is effectively bypassed by subsequent logic that attempts to find directory suggestions. An attacker can leverage this flaw to list the contents of arbitrary directories on the user's filesystem, including the user's home directory, exposing sensitive information about the file system's structure. This issue is fixed in version 0.13.20.

Weakness: CWE-548 (Exposure of Information Through Directory Listing)

## Which versions are affected by CVE-2025-61685?

2 open source packages ship an affected version, including @mastra/mcp-docs-server.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `@mastra/mcp-docs-server` | npm | All versions | 0.17.0 |
| `@mastra/mcp-docs-server` | npm | All versions | 0.17.0 |

## How do I fix CVE-2025-61685?

Upgrade @mastra/mcp-docs-server to 0.17.0 or later.

## Is CVE-2025-61685 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-61685 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-61685 and fix it if it is affected.

What it is: CVE-2025-61685 is a medium-severity path traversal vulnerability in mastra-ai mastra, published on 3 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-61685 exists.

Affected packages and fixed versions:
- @mastra/mcp-docs-server (npm): affected all versions; fixed in 0.17.0
- @mastra/mcp-docs-server (npm): affected all versions; fixed in 0.17.0

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-61685/ (Markdown: https://insights.sbomify.com/CVE-2025-61685/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-61685
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-61685
- OSV: https://osv.dev/vulnerability/CVE-2025-61685

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-61685/
Summaries are generated and may contain mistakes; the official description above is the record.