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Atheos

Web-based IDE framework with a small footprint and minimal

IDEs & Code Editors ★ 677 stars Medium setup MIT

Web-based IDE framework with a small footprint and minimal requirements, continued from Codiad.

Official siteSource code

Strengths

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Written in JavaScript
  • Lightweight — runs in 512 MB RAM

Is Atheos secure?

No confirmed vulnerabilities affect Atheos's latest release (v601). OSV.dev lists 2 advisories for the project and links 2 of them to this release, but their version data doesn't confirm them. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

2 unconfirmed matches

OSV.dev links these advisories to this release, but their own version data doesn't confirm it: they cover a separately versioned sub-package of the repository, or record the fix only as a commit. They are listed for completeness and not counted in the health score.

Matched by OSV, not confirmed

AdvisorySeveritySummary
CVE-2025-47788CriticalMissing Path Validation Enables Path Traversal in Controller.php
CVE-2025-49008CriticalAtheos Improper Input Validation Vulnerability Enables RCE in Common.php

Source: OSV.dev, checked 2026-10-14. How this is measured.

Health badge

Maintain Atheos? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 69 · good

Markdown
[![SelfHostIndex health score for Atheos](https://selfhostindex.com/badge/atheos.svg)](https://selfhostindex.com/app/atheos/)
HTML
<a href="https://selfhostindex.com/app/atheos/"><img src="https://selfhostindex.com/badge/atheos.svg" alt="SelfHostIndex health score for Atheos"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/atheos.svg
   :alt: SelfHostIndex health score for Atheos
   :target: https://selfhostindex.com/app/atheos/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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