CVE-2026-22877

CriticalCVSS 9.1/10Last modified Jun 17, 2026

Description

An arbitrary file-read vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to read arbitrary files on the system, and potentially causing a denial-of-service attack.

Metrics

CVSS 3.1 9.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness enumeration

CWE-22

Affected software

Vendor	Product	Versions
Copeland	Copeland XWEB 300D PRO	<= 1.12.1
Copeland	Copeland XWEB 500D PRO	<= 1.12.1
Copeland	Copeland XWEB 500B PRO	<= 1.12.1

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.jsonThird Party Advisory
https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdateProduct
https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10Third Party Advisory, US Government Resource

Timeline

Published: Feb 27, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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