CVE-2026-62123 in Invetex Plugin
Summary
by MITRE • 10/10/2026
Unauthenticated PHP Object Injection in Invetex <= 2.18 versions.
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Analysis
by VulDB Data Team • 10/10/2026
The vulnerability identified as an unauthenticated PHP object injection flaw within Invetex versions up to and including 2.18 represents a critical security deficiency that allows remote attackers to execute arbitrary code on the target server without requiring valid credentials. This type of vulnerability arises from the application's improper handling of serialized data, specifically when user-controllable input is passed directly into PHP functions such as unserialize() or similar deserialization mechanisms without adequate validation or sanitization. In modern web applications, object injection vulnerabilities are particularly dangerous because they exploit the internal logic and magic methods defined within PHP classes, enabling attackers to manipulate application state in ways that were not intended by the developers.
The technical root cause lies in the lack of strict input filtering for parameters that influence the deserialization process. When an attacker submits a specially crafted serialized string containing malicious payload data, the vulnerable function processes this input and instantiates objects based on the provided class names and properties. If the application includes classes with dangerous magic methods such as __destruct(), __wakeup(), or __toString(), these methods are executed automatically during the object lifecycle. Attackers can leverage these execution points to trigger file system operations, database queries, or remote service calls, effectively achieving arbitrary code execution on the backend infrastructure. This flaw is exacerbated by the fact that it requires no authentication, meaning any internet-facing user with network access to the application endpoint can exploit this vulnerability.
From an operational impact perspective, successful exploitation of this PHP object injection vulnerability grants attackers full control over the underlying server environment. They can read sensitive configuration files containing database credentials or API keys, modify application data such as user accounts or financial records, and potentially use the compromised server as a pivot point for further attacks within the internal network. The ability to execute arbitrary commands means that an attacker could install web shells, launch distributed denial-of-service attacks using the compromised host, or exfiltrate personally identifiable information stored in the database. This level of compromise fundamentally breaks the confidentiality, integrity, and availability principles of information security, rendering the entire application ecosystem insecure until remediated.
This vulnerability aligns with Common Weakness Enumeration identifier CWE-502, which describes Deserialization of Untrusted Data. It also maps to MITRE ATT&CK technique T1059, specifically Command and Scripting Interpreter sub-techniques such as T1059.001 for PowerShell or T1059.004 for Unix Shell commands, depending on the specific payload used during exploitation. The unauthenticated nature of the attack corresponds to initial access vectors often seen in automated scanning campaigns targeting known vulnerable software versions listed in public vulnerability databases.
To mitigate this risk, immediate action is required to upgrade Invetex to a version greater than 2.18 where the deserialization logic has been patched or removed entirely if not essential for functionality. If upgrading is not immediately feasible, implementing strict input validation and whitelisting allowed class names during deserialization can provide a temporary layer of defense. Additionally, enabling PHP configuration settings such as disable_functions to restrict dangerous system calls and ensuring that error reporting does not expose stack traces in production environments will reduce the attack surface. Regular security audits and static code analysis tools should be employed to detect similar patterns across the application codebase to prevent recurrence of untrusted data deserialization issues.