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CVE-2026-34058

8.8 · HIGH

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases.

Published Jul 7, 2026CWE-78EPSS 0.65%

Overview

CVE-2026-34058 is a high-severity vulnerability. It was published on July 7, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the Livewire component Server\Resources exposes public methods (startUnmanaged, stopUnmanaged, restartUnmanaged) that accept a container ID parameter directly from the browser without any sanitization or escaping. This parameter is interpolated directly into shell commands executed via SSH on managed servers, enabling any authenticated team member to execute arbitrary OS commands on remote servers. This issue is fixed in version 4.0.0-beta.471.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/coollabsio/coolify/commit/944a038349216f00b390e905c121355adc8b23c1GitHubgithub.com/coollabsio/coolify/pull/9172GitHubgithub.com/coollabsio/coolify/releases/tag/v4.0.0-beta.471GitHubgithub.com/coollabsio/coolify/security/advisories/GHSA-rh5x-qx77-fq9vGitHubgithub.com/coollabsio/coolify/security/advisories/GHSA-rh5x-qx77-fq9v

How CyberStrike helps

Frequently asked questions

What is CVE-2026-34058?

CVE-2026-34058 is a high-severity vulnerability. It was published on July 7, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-34058?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-34058?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-34058?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-34058 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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