CVE-2026-34170 Coolify: Server-Side Request Forgery via attacker-controlled GitHub App API URL
An authenticated user can exploit a Server-Side Request Forgery vulnerability in Coolify to access internal services or cloud metadata endpoints.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34170?
CVE-2026-34170 is a medium-severity server-side request forgery vulnerability in coollabsio coolify, published on 7 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the GithubApp api_url field is used as the base URL for server-side HTTP requests without allowlisting or private IP blocking, allowing an authenticated user to configure a GitHub App source that causes Coolify to request internal services or cloud metadata endpoints. This issue is reported as fixed in version 4.0.0-beta.471.
Weakness: CWE-918
Which versions are affected by CVE-2026-34170?
How do I fix CVE-2026-34170?
No fix has been published for CVE-2026-34170 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-34170 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34170 exists.
Sources
Also known as GHSA-3g6r-cxv5-3c7h.