CVE-2026-22103 in DC-80
Summary
by MITRE • 07/13/2026
The NPC start endpoint on the web server at port 8090 is vulnerable to command injection.
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Analysis
by VulDB Data Team • 07/13/2026
The vulnerability identified in the NPC start endpoint at port 8090 represents a critical command injection flaw that allows remote attackers to execute arbitrary commands on the underlying system. This type of vulnerability falls under CWE-77 which specifically addresses command injection weaknesses where user-supplied input is improperly incorporated into system commands without adequate sanitization or validation. The attack surface becomes particularly dangerous when considering that the endpoint operates on a web server interface, potentially exposing the entire backend infrastructure to unauthorized command execution.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization mechanisms within the NPC start endpoint. When legitimate users or malicious actors submit data to this endpoint, the system fails to properly escape or filter special characters that could be interpreted as shell commands. This creates an environment where attackers can inject malicious payloads such as semicolons, ampersands, or other command delimiters that bypass normal execution boundaries. The vulnerability typically manifests when user-controllable parameters are directly concatenated into system command strings without proper contextual escaping or parameterization.
Operationally, the impact of this command injection vulnerability extends far beyond simple data manipulation or denial of service conditions. An attacker who successfully exploits this flaw can execute arbitrary code with the privileges of the web server process, potentially leading to full system compromise. The affected system could be used as a pivot point for lateral movement within a network infrastructure, allowing attackers to access other systems or escalate privileges to administrative levels. Additionally, the compromised system may serve as a command and control node for further attacks, making it a significant threat vector in enterprise environments where such services are exposed externally.
Mitigation strategies must address both immediate remediation and long-term architectural improvements to prevent similar vulnerabilities. The most effective immediate solution involves implementing proper input validation and sanitization techniques that reject or escape potentially dangerous characters before they can be processed by system commands. This includes employing parameterized command execution where possible, using whitelisting approaches for acceptable inputs, and implementing proper output encoding when interacting with shell processes. Organizations should also consider implementing web application firewalls to detect and block suspicious command injection patterns, while following the principle of least privilege to limit the damage potential even if exploitation occurs. The remediation process should include comprehensive code reviews focusing on all endpoints that interact with system commands, ensuring adherence to secure coding practices and following ATT&CK framework guidance for preventing command execution attacks through proper input handling mechanisms.