Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HSummary
CVE-2026-24663 is a critical-severity OS Command Injection (CWE-78) vulnerability in Copeland Xweb 500B Pro Firmware. Its CVSS base score is 9.0 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Command and Scripting Interpreter (T1059); ranked in the top 20% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to SA-11 (Developer Testing and Evaluation) and SI-10 (Information Input Validation) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2026-24663 is an OS command injection vulnerability (CWE-78) affecting XWEB Pro version 1.12.1 and prior versions. The flaw exists in the libraries installation route, where insufficient input validation allows malicious payloads to be processed, leading to arbitrary command execution. Published on 2026-02-27, it carries a CVSS v3.1 base score of 9.0 (AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H), indicating critical severity due to its potential for high-impact remote exploitation.
An unauthenticated attacker with network access can exploit the vulnerability by sending a crafted request to the libraries installation route and injecting malicious input into the request body. Despite requiring high attack complexity, successful exploitation enables remote code execution on the affected system, granting attackers full control over confidentiality, integrity, and availability with a scope change to related components.
CISA's ICS Advisory ICSA-26-057-10 provides details on the vulnerability, available at https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10 and in CSAF format at https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json. Software updates for mitigation are referenced at https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-8951
Vulnerability Data
An OS command injection vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an unauthenticated attacker to achieve remote code execution on the system by sending a crafted request to the libraries installation route and injecting malicious input into…
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the request body.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V1.2.5V1.2.8V15.2.5
Mitigating Controls (NIST 800-53 r5) AI
Developer testing and evaluation can discover missing or incorrect command sanitization during development.
Input validation directly neutralizes or rejects special characters that would otherwise alter OS command structure.
Least privilege reduces the permissions available to any process that could be subverted by injected commands.
Least functionality restricts available OS commands and interpreters, limiting the blast radius of injection.
Secure engineering principles require proper neutralization of untrusted input before command construction.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
PR.PS-06's SDLC practices directly require secure coding and input handling that blocks command-injection defects, yet the single broad outcome leaves many specific neutralization vectors and verification gaps unaddressed.
Routine patching/maintenance can remediate known command-injection CVEs in dependencies (partial forward) but does nothing to stop developers from introducing improper neutralization in custom code (none reverse).
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Security testing and code review target insecure use of operating-system command interfaces, catching command-injection flaws introduced during development.