CVE-2026-105137 in Laradock
Summary
by MITRE • 10/04/2026
A vulnerability was found in Laradock up to 20.4. Impacted is an unknown function of the file workspace/Dockerfile of the component Build Process. The manipulation results in download of code without integrity check. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is considered difficult. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 10/04/2026
The vulnerability identified within Laradock versions up to 20.4 represents a significant security flaw rooted in the build process, specifically affecting the workspace/Dockerfile component. This issue is classified as an insecure download of code without integrity verification, which aligns with Common Weakness Enumeration identifier CWE-351. The core technical failure lies in the mechanism used during the Docker image construction phase, where external resources are fetched and integrated into the container environment without any form of cryptographic validation or checksum comparison. This absence of integrity checks means that there is no guarantee that the downloaded artifacts match their intended source, leaving the build process vulnerable to tampering if the network path is compromised or if a malicious actor intercepts the traffic.
From an operational perspective, this vulnerability allows for remote code execution scenarios where an attacker can inject malicious payloads into the development environment during the image building stage. Because Laradock is widely used as a local Docker-based development stack for Laravel applications, compromising the build process effectively compromises all instances built using that specific configuration or version of the workspace/Dockerfile. The attack vector is remote, meaning no physical access or prior authentication to the target system is required to initiate the exploitation attempt. However, the complexity level associated with this exploit is rated as high, and its exploitability is considered difficult. This suggests that while the vulnerability exists, successfully leveraging it requires specific conditions such as a man-in-the-middle position on the network segment where builds are performed or access to compromised package repositories, making widespread automated exploitation less likely but still possible in targeted attacks.
The fact that the exploit has been made public significantly increases the risk landscape for organizations relying on this toolset. Publicly available exploits lower the barrier to entry for attackers who may not possess advanced technical skills but can utilize existing tools to target vulnerable systems. The lack of response from the vendor further exacerbates the situation, as it indicates a potential gap in security maintenance and patch management processes within the project's governance structure. Without an official fix or update addressing this specific integrity check omission, users are left with limited options for remediation beyond manual intervention.
To mitigate these risks, immediate action is required from system administrators and developers utilizing Laradock. The primary recommendation involves auditing all Dockerfiles that perform network downloads during the build process to ensure they implement strict integrity verification mechanisms such as SHA-256 checksums or GPG signatures before proceeding with installation or configuration steps. Where possible, users should pin dependencies to specific verified versions rather than relying on dynamic latest tags which are more susceptible to supply chain attacks. Additionally, implementing network segmentation and using secure repositories that enforce HTTPS with certificate validation can reduce the surface area for interception-based attacks. Organizations should also consider transitioning to alternative development environments or maintaining a forked version of Laradock where they have full control over the build scripts and can manually patch this vulnerability until upstream support is restored. Continuous monitoring of supply chain security advisories and adherence to industry standards like OWASP guidelines for container security are essential practices to prevent similar integrity failures in future deployments.