CVE-2025-34159Public exploitNetwork attack vector

Member-to-root code execution via unrestricted Compose mounts

Published Aug 27, 2025 · Updated Jul 14, 2026

Code injection in coolLabs Coolify 4.0.0-beta.420.6 and earlier allows remote authenticated users to execute code as host root. The deployment workflow accepts user-controlled Docker Compose service definitions without blocking a container from bind-mounting the host root filesystem read-write. Member-level project access is sufficient; deploying the crafted service bypasses container isolation and permits arbitrary host-file access and root commands.

CVSS severity9.4
Critical
EPSS probability0.96%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in coolLabs Coolify 4.0.0-beta.420.6 and earlier allows remote authenticated users to execute code as host root. The deployment workflow accepts user-controlled Docker Compose service definitions without blocking a container from bind-mounting the host root filesystem read-write. Member-level project access is sufficient; deploying the crafted service bypasses container isolation and permits arbitrary host-file access and root commands.

The record

CVE
CVE-2025-34159
Published
Aug 27, 2025
Updated
Jul 14, 2026
Vendor
coolLabs
Product
Coolify
Classifications
CWE-20, CWE-94, T1611
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 27, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <4.0.0-beta.420.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

coolLabs · Coolifyversion=0 <4.0.0-beta.420.7

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.4VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-20Improper Input Validation
CWE-94Improper Control of Generation of Code ('Code Injection')
T1611Escape to Host

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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