RCE in Copeland Xweb 300d Pro

CVE-2026-23702

An OS command injection vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an authenticated attacker to achieve remote code execution on the system by sending malicious input injected into the server username field of the import preconfiguration action in the API V1 route.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (80.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-23702: held from 0.019 to 0.020.

EPSS over last 30 days · oldest: 0.019 · newest: 0.020 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-23702?
CVE-2026-23702 is a high-severity vulnerability in Copeland Xweb 300d Pro, classified under OS Command Injection. CVSS score: 8.0/10. Published 2026-02-27.
How severe is CVE-2026-23702?
High severity. CVSS v3 base score is 8.0 out of 10.