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CVE-2026-20797

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CVE-2026-20797

Published: Feb 27, 2026

Modified: May 10, 2026

PUBLISHED

CVSS v3.1

4.3

MEDIUM

Description

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.

VendorProductVersions

Copeland

Copeland XWEB 300D PRO

affected
0 - <= 1.12.1

Copeland

Copeland XWEB 500D PRO

affected
0 - <= 1.12.1

Copeland

Copeland XWEB 500B PRO

affected
0 - <= 1.12.1

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

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