CVE-2025-12059: Logo j-Platform Information Disclosure

CVE-2025-12059 Overview

CVE-2025-12059 is a critical vulnerability affecting Logo j-Platform, an enterprise software solution developed by Logo Software Industry and Trade Inc. This vulnerability involves the insertion of sensitive information into externally-accessible files or directories, allowing attackers to exploit incorrectly configured access control security levels.

The vulnerability enables unauthorized users to access sensitive data stored in locations that should be protected. This information disclosure flaw stems from improper access control configurations that expose confidential information to external parties without proper authorization.

Critical Impact

This vulnerability allows remote attackers to access sensitive information without authentication, potentially exposing confidential business data, credentials, or other protected information stored in the affected Logo j-Platform installations.

Affected Products

• Logo j-Platform versions from 3.29.6.4 before 3.34.8.9

Discovery Timeline

• 2026-02-11 - CVE CVE-2025-12059 published to NVD
• 2026-02-12 - Last updated in NVD database

Technical Details for CVE-2025-12059

Vulnerability Analysis

This vulnerability is classified under CWE-538 (Insertion of Sensitive Information into Externally-Accessible File or Directory). The flaw occurs when the Logo j-Platform application writes sensitive data to files or directories that can be accessed by unauthorized external parties.

The vulnerability is network-exploitable, meaning attackers can reach vulnerable systems remotely without requiring any prior authentication or user interaction. Once exploited, an attacker gains the ability to compromise the confidentiality, integrity, and availability of the affected system.

The attack surface is broad because the vulnerability requires no special privileges and can be executed with low complexity. This makes it particularly dangerous in internet-facing deployments where the j-Platform may be accessible to untrusted networks.

Root Cause

The root cause of CVE-2025-12059 lies in the improper configuration of access control mechanisms within Logo j-Platform. The application fails to adequately restrict access to directories or files containing sensitive information, allowing these resources to be externally accessible.

Specifically, the platform does not properly validate or enforce security levels when determining which files or directories should remain protected. This misconfiguration allows sensitive information—potentially including configuration files, credentials, or business data—to be exposed to unauthorized users who can access these externally-reachable locations.

Attack Vector

The attack vector for this vulnerability is network-based. An attacker can remotely exploit the misconfigured access controls without requiring any authentication credentials or user interaction. The exploitation process involves:

1. Identifying an exposed Logo j-Platform instance accessible over the network
2. Discovering externally-accessible files or directories that should be protected
3. Retrieving sensitive information from these improperly secured locations
4. Leveraging the exposed data for further attacks or unauthorized access

The vulnerability can be exploited by directly accessing the affected file paths or directories through standard HTTP requests, depending on the deployment configuration.

Detection Methods for CVE-2025-12059

Indicators of Compromise

• Unusual access patterns to configuration files or directories that contain sensitive data
• Unexpected HTTP requests to file paths that should be restricted or inaccessible
• Log entries showing access to sensitive directories from external or unauthorized IP addresses
• Evidence of data exfiltration or unauthorized downloads of protected files

Detection Strategies

• Implement web application firewall (WAF) rules to detect and block access attempts to sensitive file paths
• Monitor server access logs for requests targeting known sensitive directories or file extensions
• Deploy intrusion detection systems (IDS) configured to alert on reconnaissance and directory enumeration activity
• Review application logs for anomalous access patterns that may indicate exploitation attempts

Monitoring Recommendations

• Enable detailed logging for all file and directory access within the j-Platform application
• Configure real-time alerting for access to sensitive configuration or data files
• Establish baseline access patterns and alert on deviations that may indicate compromise
• Integrate security monitoring with SIEM solutions for centralized visibility and correlation

How to Mitigate CVE-2025-12059

Immediate Actions Required

• Upgrade Logo j-Platform to version 3.34.8.9 or later immediately
• Review and restrict network access to j-Platform installations, limiting exposure to trusted networks only
• Audit current file and directory permissions to identify any sensitive data in externally-accessible locations
• Implement additional access controls at the network perimeter while patching is in progress

Patch Information

Logo Software Industry and Trade Inc. has addressed this vulnerability in Logo j-Platform version 3.34.8.9. Organizations running affected versions (3.29.6.4 through versions before 3.34.8.9) should apply the security update as soon as possible.

For additional information about this vulnerability and remediation guidance, refer to the USOM Security Advisory TR-26-0061.

Workarounds

• Restrict network access to the j-Platform to trusted internal networks only using firewall rules
• Implement web server configuration changes to explicitly deny access to sensitive directories
• Deploy a reverse proxy or web application firewall (WAF) to filter malicious requests
• Review and harden access control configurations within the j-Platform administrative settings

# Example: Restrict access to sensitive directories via web server configuration
# For Apache, add to .htaccess or virtual host configuration:
<Directory "/path/to/sensitive/directory">
    Require all denied
</Directory>

# For Nginx, add to server block:
location /sensitive/ {
    deny all;
    return 403;
}