# CVE-2026-19328: aktsmm skill-ninja-mcp-server installer.ts uninstallSkill path traversal

> A local attacker can exploit path traversal in the uninstallSkill function to read or modify files outside the intended directory.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Aug 2026
- **Updated:** 12 Aug 2026
- **Also known as:** GHSA-866p-rrc7-6r5x

## What is CVE-2026-19328?

CVE-2026-19328 is a medium-severity path traversal vulnerability in aktsmm skill-ninja-mcp-server, published on 9 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability has been found in aktsmm skill-ninja-mcp-server 0.1.0. Impacted is the function getInstalledSkills/installSkill/updateAgentsMd/uninstallSkill of the file src/installer.ts. The manipulation of the argument workspacePath leads to path traversal. The attack needs to be performed locally. Upgrading to version 0.1.1 is recommended to address this issue. The identifier of the patch is 855b46739e0f6e8388f17f9d0066ac4298a3965d. Upgrading the affected component is recommended.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2026-19328?


## How do I fix CVE-2026-19328?

No fix has been published for CVE-2026-19328 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-19328 being exploited?

There is no known exploitation of CVE-2026-19328 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-19328 and fix it if it is affected.

What it is: CVE-2026-19328 is a medium-severity path traversal vulnerability in aktsmm skill-ninja-mcp-server, published on 9 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-19328 in the wild and no public exploit code.

Affected product: aktsmm skill-ninja-mcp-server. No package-level version data is available, so check the vendor advisory linked from the reference page.

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-2026-19328/ (Markdown: https://insights.sbomify.com/CVE-2026-19328/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-19328
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-19328
- OSV: https://osv.dev/vulnerability/CVE-2026-19328

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-19328/
Summaries are generated and may contain mistakes; the official description above is the record.
