CVE-2026-113402 in ArmorX Spam
Summary
by MITRE • 10/20/2026
ArmorX Spam developed by ArmorX Global Technology has a Local File Inclusion vulnerability. Authenticated remote attackers can exploit path traversal to cause the application to include PHP files outside the intended directory.
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Analysis
by VulDB Data Team • 10/20/2026
The identified vulnerability in ArmorX Spam, a security solution provided by ArmorX Global Technology, represents a critical flaw in input validation and file handling mechanisms within its web-based management interface or API endpoints. This Local File Inclusion (LFI) vulnerability allows authenticated remote attackers to manipulate the application's behavior through path traversal techniques. By injecting specific sequences of characters designed to traverse directory structures, such as dot-dot-slash combinations, an attacker can redirect the application away from intended script locations and force it to include arbitrary PHP files residing on the underlying server file system. This exploitation vector is particularly dangerous because it bypasses standard access controls by leveraging the application's own logic for loading configuration or module files, effectively turning a legitimate function into a mechanism for unauthorized code execution context establishment.
From a technical perspective, this flaw stems from insufficient sanitization of user-supplied input that determines which file resources are loaded dynamically. When the application processes requests to load specific components, it fails to validate whether the requested path remains within the designated web root or allowed directory boundaries. This lack of strict boundary enforcement enables an attacker to construct a malicious payload that escapes the intended scope and accesses sensitive system files. The inclusion of these external PHP files occurs in the context of the web server process, which typically runs with elevated privileges relative to standard user accounts. Consequently, if the included file contains executable code or is interpreted as such by the PHP engine, it can lead to Remote Code Execution (RCE), allowing the attacker to run arbitrary commands on the host system with the permissions assigned to the web service account.
The operational impact of this vulnerability extends beyond simple data exposure. While Local File Inclusion often leads to information disclosure where attackers read sensitive configuration files containing database credentials or API keys, the ability to include PHP files significantly escalates the risk profile. If an attacker can upload a malicious file to a writable directory and then trigger its inclusion via the LFI flaw, they achieve full remote code execution. Even without uploading capabilities, reading critical system files such as /etc/passwd or Windows registry exports can facilitate further lateral movement within the network. The presence of authentication requirements does not mitigate this risk entirely; it merely restricts the attack surface to compromised user accounts or those with valid credentials, which are often easier to obtain through phishing, credential stuffing, or internal privilege escalation attacks.
This vulnerability aligns closely with Common Weakness Enumeration (CWE) identifiers such as CWE-98 Improper Control of Filename for Include/Require Statements in PHP Program and CWE-22 Path Traversal: '..' Sequence. In the context of the MITRE ATT&CK framework, this exploitation technique maps to T1059 Command and Scripting Interpreter via web shell uploads or direct inclusion attacks, falling under the Initial Access and Execution tactics. The attacker leverages the application's functionality to execute commands indirectly through the PHP interpreter, bypassing traditional endpoint detection mechanisms that might not monitor internal script execution flows closely enough.
To mitigate this vulnerability, immediate remediation should focus on implementing strict input validation for all file path parameters. Developers must enforce allowlisting strategies where only specific, known-safe filenames or identifiers are accepted, rather than relying on blacklist approaches which can be easily bypassed using encoding variations or alternative traversal sequences. Additionally, employing chroot jails or containerization to restrict the web application's access to the broader file system can limit the blast radius of any successful exploitation. Regular security audits and static code analysis tools should be integrated into the development lifecycle to detect such path manipulation flaws before deployment. For organizations currently running vulnerable versions, applying vendor-provided patches is essential, while temporary workarounds may involve restricting web server permissions to minimize the impact if an inclusion occurs.