CVE-2026-24871 in Minecraft-Rcon-Manage
Summary
by MITRE • 01/27/2026
Improper Control of Generation of Code ('Code Injection') vulnerability in pilgrimage233 Minecraft-Rcon-Manage.This issue affects Minecraft-Rcon-Manage: before 3.0.
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Analysis
by VulDB Data Team • 01/28/2026
The CVE-2026-24871 vulnerability represents a critical code injection flaw within the Minecraft-Rcon-Manage utility, specifically impacting versions prior to 3.0. This type of vulnerability falls under the CWE-94 category of "Improper Control of Generation of Code" which fundamentally describes situations where user-supplied input is improperly handled during code generation or execution processes. The vulnerability manifests in the context of Minecraft server management where rcon (remote console) commands are processed, creating a dangerous attack surface that allows malicious actors to inject arbitrary code into the system. The flaw occurs when user-provided data intended for legitimate rcon command parameters is not properly sanitized or validated before being executed within the server environment.
The technical implementation of this vulnerability enables attackers to manipulate the command execution flow by injecting malicious payloads through input fields that should only accept legitimate rcon commands. When the application processes these inputs without adequate sanitization, it creates opportunities for arbitrary code execution that can escalate to complete system compromise. The vulnerability specifically impacts the rcon management functionality where commands are transmitted to Minecraft servers, allowing attackers to execute commands with the privileges of the running Minecraft server process. This creates a pathway for attackers to gain unauthorized access to server resources, potentially leading to data exfiltration, server takeover, or further network infiltration.
The operational impact of this vulnerability extends beyond simple code injection, as it fundamentally undermines the security posture of Minecraft servers using affected versions of the management utility. Attackers can leverage this flaw to execute arbitrary commands on the host system, potentially leading to complete server compromise and unauthorized access to player data, server configurations, and associated network resources. The vulnerability's exploitation can result in denial of service conditions, data corruption, unauthorized modifications to server content, and potential lateral movement within networks where Minecraft servers are deployed. Given that rcon management tools are commonly used in multiplayer gaming environments, the attack surface is particularly broad as these systems often run with elevated privileges and may contain sensitive server configuration data.
Mitigation strategies for CVE-2026-24871 require immediate action to upgrade to version 3.0 or later of Minecraft-Rcon-Manage where the code injection vulnerability has been addressed through proper input validation and sanitization measures. Organizations should implement comprehensive input filtering and validation at all points where user data enters the system, particularly for rcon command parameters. The fix should incorporate proper escaping of special characters and implementation of whitelisting mechanisms for acceptable command inputs. Additionally, system administrators should consider implementing network segmentation and access controls to limit exposure of rcon management interfaces, while monitoring for suspicious command execution patterns. Regular security assessments and penetration testing of Minecraft server environments should be conducted to identify similar vulnerabilities and ensure proper security controls are in place. The remediation process should also include comprehensive logging and audit trails for all rcon command executions to facilitate incident response and forensic analysis.