CVE-2025-34159: Coolify versions prior to v4.0.0-beta.420.6 are vulnerable to a remote code execution vulnerability in the app

Q: How do I fix CVE-2025-34159?

coolify: upgrade to 4.0.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-34159 being exploited?

CVE-2025-34159 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-34159 affect?

CVE-2025-34159 affects coolify. Severity is high (CVSS 8.8). Coolify versions prior to v4.0.0-beta.420.6 are vulnerable to a remote code execution vulnerability in the application deployment workflow. The platform allows authenticated users, with low-level member privileges, to inject arbitrary Docke

Q: How urgent is CVE-2025-34159?

Priority 51/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2025-34159 is a high-severity flaw (CVSS 8.8) affecting coolify. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Coolify versions prior to v4.0.0-beta.420.6 are vulnerable to a remote code execution vulnerability in the application deployment workflow. The platform allows authenticated users, with low-level member privileges, to inject arbitrary Docker Compose directives during project creation. By crafting a malicious service definition that mounts the host root filesystem, an attacker can gain full root access to the underlying server.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-20, CWE-94
Published	2025-08-27
Last modified	2026-07-14

Publisher (CNA): VulnCheck · Vendor: coollabs

Last updated 2026-07-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-27 17:15 UTCPublished CVE record published
2026-07-14 23:17 UTCUpdated Record last modified

coollabs coolify UPGRADE

Affected: < 4.0.0 · 4.0.0 beta100 · 4.0.0 beta101 · 4.0.0 beta102 · 4.0.0 beta103 · 4.0.0 beta104 · 4.0.0 beta105 · 4.0.0 beta106

Fixed in: 4.0.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy coolify || rpm -q coolify || coolify --version

2. UPGRADE to 4.0.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade coolify

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade coolify

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-34159?

coolify: upgrade to 4.0.0. Exact commands for each OS are on this page.

Is CVE-2025-34159 being exploited?

CVE-2025-34159 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-34159 affect?

CVE-2025-34159 affects coolify. Severity is high (CVSS 8.8). Coolify versions prior to v4.0.0-beta.420.6 are vulnerable to a remote code execution vulnerability in the application deployment workflow. The platform allows authenticated users, with low-level member privileges, to inject arbitrary Docke

How urgent is CVE-2025-34159?

Priority 51/100. High severity; Public exploit reference

Software pages

Docker vulnerabilities

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References

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