Remote Code Execution in Coolify by Coollabs
CVE-2025-34159

9.4CRITICAL

Key Information:

Vendor

Coollabs Technologies

Status
Coolify
Vendor
CVE Published:
27 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-34159?

In Coolify versions before v4.0.0-beta.420.6, a vulnerability allows authenticated users with minimal privileges to execute arbitrary code through manipulated Docker Compose directives during project creation. By executing a crafted service definition, attackers could potentially mount the host's root filesystem, leading to full system access. This weakens the integrity of application deployment workflows and poses significant security risks to the underlying infrastructure.

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Affected Version(s)

Coolify * < 4.0.0.-beta.420.7

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-34159 - Proof of Concept
Created by Eyodav

References

https://github.com/coollabsio/coolify/releases/tag/v4.0.0...
vendor-advisorypatch
https://coolify.io/
product
https://github.com/Eyodav/CVE-2025-34159
technical-descriptionexploit

CVSS V4

Score:
9.4
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mike G.A (Eyodav)
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