Coolify 4.1.2 Release Notes & Changelog

Coolify 4.1.2

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4.1.1→4.1.2SecurityBug fix

📅 June 4, 2026🗂 DevOps📦 Coolify ↗📜 Full changelog ↗

✦ Editor's summary

Coolify 4.1.2 is a maintenance release focused on security hardening and deployment reliability. It fixes SSH deploy key handling, private submodule authentication, preview deployment issues, API authorization checks, and input validation across several deployment workflows, making self-hosted application deployments more secure and stable.

⚠ Security impact

Fixed an issue where deployment SSH keys could overwrite server root SSH keys.
Improved authorization checks for API tokens and team-scoped resources.
Hardened input validation for images, branches, proxies, and deployment settings.
Improved security for preview deployments and private Git submodule authentication.

What's new

Updated Coolify to version 4.1.2.
Fixed private Git submodule authentication during deployments.
Resolved an issue where deploy keys could overwrite server root SSH keys.
Improved security for preview deployments created from forked pull requests.
Strengthened API token authorization and team-based permission validation.
Enhanced validation for container images, Git branches, reverse proxies, and deployment configuration.
Fixed issues affecting preview deployment environment variables and container image tags.
Included additional stability and reliability improvements across deployment workflows.

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