Remote Command Injection in Coolify by Coollabs
CVE-2026-34038

9.9CRITICAL

Key Information:

Vendor

Coollabsio

Status
Coolify
Vendor
CVE Published:
6 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-34038?

Coolify, an open-source tool for managing servers and applications, contains a vulnerability that allows users with application write permissions to execute remote commands and potentially exfiltrate sensitive information from environment variables through compromised deployment logs. This flaw was addressed in version 4.0.0-beta.469, enhancing the security of application deployment management.

Affected Version(s)

coolify < 4.0.0-beta.469

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-2026-34038
Created by ThemeHackers

References

https://github.com/coollabsio/coolify/security/advisories...
x_refsource_CONFIRM
https://github.com/coollabsio/coolify/pull/9007
x_refsource_MISC
https://github.com/coollabsio/coolify/commit/23f9156c7306...
x_refsource_MISC

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

.