Executive Summary

CVE-2026-1152 is an arbitrary file upload vulnerability in the technical-laohu mpay application up to version 1.2.4. It exists in the QR Code Image Handler component, specifically through manipulation of the 'codeimg' argument, which allows attackers to upload malicious files such as webshells, viruses, or scripts without restriction. This flaw can be exploited remotely and enables attackers to gain unauthorized control over the server or steal sensitive information. [1, 2, 3]

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Impact Analysis

This vulnerability can impact you by compromising the confidentiality, integrity, and availability of your system. Attackers can upload malicious files that may allow them to execute arbitrary code, gain control over the server, steal sensitive information, or disrupt services. The exploit is publicly available and can be launched remotely, making it a significant security risk. [1, 2, 3]

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Detection Guidance

Detection of this vulnerability involves monitoring for arbitrary file uploads through the QR Code Image Handler, specifically via the 'codeimg' argument. You can check server logs for unusual POST requests to the QR code upload endpoint containing suspicious file types or unexpected payloads. Additionally, scanning the upload directories for unexpected or executable files (e.g., webshells) can help identify exploitation attempts. Commands such as 'grep' on web server logs to find requests with 'codeimg' parameter, and 'find' commands to locate recently added or suspicious files in upload directories, can be useful. For example: 1) grep 'codeimg' /var/log/apache2/access.log 2) find /path/to/upload/dir -type f -mtime -7 -exec file {} \; | grep -i 'executable' 3) Using intrusion detection systems or web application firewalls to alert on unusual file upload patterns is also recommended. [1, 2]

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Mitigation Strategies

Immediate mitigation steps include: 1) Restricting the types of files allowed for upload by validating file extensions and verifying file header information to ensure only safe formats (e.g., images, documents) are accepted. 2) Restricting permissions on the upload directory to prevent execution of uploaded files. 3) Storing uploaded files with randomized filenames to avoid predictable paths. 4) Performing content scanning on uploaded files to detect malicious code. 5) If possible, replacing or updating the vulnerable component to a non-affected version. Since no known countermeasures exist, these steps help reduce the risk of exploitation. [1, 2]

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Compliance Impact

The provided resources do not explicitly discuss the impact of CVE-2026-1152 on compliance with common standards and regulations such as GDPR or HIPAA. However, since the vulnerability allows attackers to upload arbitrary malicious files potentially leading to unauthorized control over the server and theft of sensitive information, it could indirectly affect compliance by risking confidentiality and integrity of personal or sensitive data. No direct statements about compliance impact or regulatory considerations are given. [1, 2, 3]

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