CVE-2026-0856 HIGH

CVE-2026-0856

Vendor Mesalvo
Product Meona Client Launcher Component
Weakness CWE-284
Published May 20, 2026
Last update May 20, 2026

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper Access Control vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component enables a normal user gaining access to the admin panel. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020.

Key dates

02Disclosure timeline

May 20, 2026 CVE published
May 20, 2026 Record updated