CVE-2026-20797

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 27, 2026
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2026-20797: Critical severity, CVSS 9.8 | Vulnix