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Coolify CVE-2026-12815

| EUVDEUVD-2026-38201 LOW
OS Command Injection (CWE-78)
2026-06-21 VulDB GHSA-5qv5-j543-5fwg
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
9.9 CRITICAL

Network-exploitable with low-privilege account; OS command injection in a Docker orchestration platform implies scope change and high host-level C/I/A impact.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Jun 22, 2026 - 06:48 vuln.today
Severity Changed
Jun 22, 2026 - 00:22 NVD
MEDIUM LOW
CVSS changed
Jun 22, 2026 - 00:22 NVD
5.3 (MEDIUM) 2.1 (LOW)

DescriptionCVE.org

A vulnerability has been found in coollabsio coolify 4.0.0. Impacted is an unknown function of the component Image Name Handler. Such manipulation leads to os command injection. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way. The changelog for 4.1.2 mentions "[i]mproved image, branch, proxy, and deployment input validation".

AnalysisAI

OS command injection in Coolify 4.0.0's Image Name Handler allows authenticated remote attackers to execute arbitrary operating system commands by manipulating image name inputs. Coolify is a self-hosted PaaS that orchestrates Docker deployments, making server-side command injection in its image handling pipeline particularly high-impact - the platform typically operates with Docker daemon privileges. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate to Coolify instance
Delivery
Navigate to deployment image configuration
Exploit
Submit OS command payload in image name field
Execution
Coolify passes unsanitized input to shell or subprocess
Persist
Arbitrary OS commands execute under Coolify's server process
Impact
Attacker achieves code execution on host

Vulnerability AssessmentAI

Exploitation Exploitation requires a valid Coolify account with at least low-level privileges (PR:L per CVSS vector) - the attacker must be able to access the deployment or image configuration interface where Docker image names are submitted. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment There is a significant discrepancy between the reported CVSS 4.0 score of 2.1 and the realistic severity of this vulnerability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An authenticated Coolify user with access to deployment configuration navigates to the image name input field and submits a crafted value such as 'ubuntu; id > /tmp/pwned' or a more sophisticated payload embedding a reverse shell command. When Coolify's Image Name Handler processes this input to invoke Docker or a shell subprocess, the injected command executes in the server's operating context. …
Remediation The primary fix is to upgrade to Coolify 4.1.2 or later, where the changelog confirms 'improved image, branch, proxy, and deployment input validation' was introduced. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-12815 vulnerability details – vuln.today

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