CVE-2026-20797 MEDIUM

CVE-2026-20797: Copeland XWEB and XWEB Pro Stack-based Buffer Overflow

Vendor Copeland
Product Copeland XWEB 300D PRO
Published February 27, 2026
Last update May 10, 2026
View on NVD All CVEs

CVSS base score

4.3/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A stack based buffer overflow exists in an API route of XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to cause stack corruption and a termination of the program.

Key dates

02Disclosure timeline

February 27, 2026 CVE published
May 10, 2026 Record updated