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CVE-2026-84694

8.8 · HIGH

Coolify before 4.2.0 fails to properly escape environment variable key names in Docker commands executed over SSH on managed servers.

Published Sep 2, 2026CWE-78EPSS 0.84%

Overview

CVE-2026-84694 is a high-severity vulnerability. It was published on September 2, 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 before 4.2.0 fails to properly escape environment variable key names in Docker commands executed over SSH on managed servers. Authenticated attackers can inject shell metacharacters into environment variable keys to execute arbitrary commands on the server host outside containers.

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/coolifyGitHubgithub.com/coollabsio/coolify/blob/v4.1.2/app/Policies/ApplicationPolicy.phpGitHubgithub.com/coollabsio/coolify/blob/v4.1.2/app/Support/ValidationPatterns.phpGitHubgithub.com/coollabsio/coolify/commit/b50839d4515b115b7ded5db609471440249995daGitHubgithub.com/coollabsio/coolify/releases/tag/v4.2.0Refwww.vulncheck.com/advisories/coolify-before-4.2.0-remote-code-execution-via-environment-variable-key

How CyberStrike helps

Frequently asked questions

What is CVE-2026-84694?

CVE-2026-84694 is a high-severity vulnerability. It was published on September 2, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-84694?

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-2026-84694?

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-2026-84694?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-84694 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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