CVE-2026-34170: Coolify: Server-Side Request Forgery via attacker-controlled GitHub App API URL

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-07 · updated 2026-10-25
Weakness: CWE-918

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.

Affected products

coollabsio coolify: before 4.0.0-beta.471

References

https://github.com/coollabsio/coolify/security/advisories/GHSA-3g6r-cxv5-3c7h
https://github.com/coollabsio/coolify/security/advisories/GHSA-3g6r-cxv5-3c7h

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