CVE-2026-71376 in Cosminexus Component Container
Summary
by MITRE • 09/08/2026
OS command injection vulnerability in Cosminexus Component Container.
This issue affects Cosminexus Component Container: from 11-70-01 before 11-70-03, from 11-60 before 11-60-03, from 11-50 through 11-50-03, from 11-40 through 11-40-03, from 11-30 through 11-30-08, from 11-20 before 11-20-10, from 11-10 through 11-10-11, from 11-00 before 11-00-13, from 09-87 before 09-87-10, from 09-80 before 09-80-05, from 09-70 before 09-70-28, from 09-50 through 09-50-22, and from 09-00 through 09-00-18.
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Analysis
by VulDB Data Team • 09/08/2026
The identified vulnerability represents a critical OS command injection flaw within the Cosminexus Component Container software suite. This security defect allows an attacker to execute arbitrary operating system commands on the host infrastructure by manipulating input data that is improperly sanitized before being passed to underlying shell interpreters or system utilities. The scope of this issue is extensive, affecting numerous legacy and current versions of the product, specifically spanning from version 09-00 through 11-70-03 depending on the specific release branch. This wide range indicates a systemic failure in input validation practices across multiple major releases of the software, suggesting that the root cause lies deep within the core architecture rather than being an isolated incident in a single feature set.
From a technical perspective, OS command injection vulnerabilities typically arise when applications construct operating system commands using unsanitized user-supplied data. In the context of Cosminexus Component Container, this likely occurs during processes such as file handling, configuration management, or integration with external systems where dynamic parameters are passed to shell functions like exec, system, popen, or similar API calls without adequate filtering for special characters that hold meaning in command-line environments. These characters include semicolons, pipes, ampersands, and backticks, which can be used by an attacker to terminate the intended command and append malicious instructions. The lack of strict input validation allows these injected payloads to bypass security controls and execute with the privileges of the application process, potentially leading to full system compromise if the container runs with elevated permissions.
The operational impact of this vulnerability is severe, as it directly undermines the confidentiality, integrity, and availability of systems running affected versions of Cosminexus Component Container. An authenticated or network-accessible attacker could leverage this flaw to gain unauthorized access to sensitive data stored on the host machine, modify system configurations, install malware, or use the compromised server as a pivot point for further attacks within the internal network. Given that component containers often serve as middleware in enterprise environments handling critical business logic, successful exploitation can disrupt service availability and lead to significant financial and reputational damage. The breadth of affected versions implies that many organizations may still be running vulnerable instances if they have not applied specific patch levels or upgraded their software stack recently.
To mitigate this risk, immediate action is required to update the Cosminexus Component Container installation to a patched version outside the affected ranges listed in the advisory. For those unable to upgrade immediately due to compatibility constraints, implementing strict input validation at the application layer is essential. This involves whitelisting allowed characters for all user inputs and rejecting any data containing shell metacharacters or using encoding techniques that prevent interpretation by the OS command interpreter. Additionally, deploying web application firewalls with rules specifically tuned to detect command injection patterns can provide a temporary defensive layer while permanent fixes are applied. It is also recommended to review access controls to ensure that the container process runs under the principle of least privilege, thereby limiting the potential damage if an exploitation attempt succeeds.
This vulnerability aligns with Common Weakness Enumeration identifier CWE-78, which covers Improper Neutralization of Special Elements used in an OS Command, commonly known as OS Command Injection. In terms of tactical classification within the MITRE ATT&CK framework, this flaw facilitates techniques associated with Execution and Defense Evasion, specifically allowing attackers to execute commands via system APIs or command shells without triggering standard application-level security alerts. Understanding these mappings helps organizations prioritize remediation efforts based on established industry standards for vulnerability management and risk assessment protocols.