CVE-2026-0856

Published: May 20, 2026

Modified: May 20, 2026

PUBLISHED

CVSS v3.1

7.8

HIGH

Description

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.

Vendor	Product	Versions
Mesalvo	Meona Client Launcher Component	affected `0 - <= 19.06.2020 15:11:49`
Mesalvo	Meona Server Component	affected `0 - <= 2025.04 5+323020`

Weaknesses (CWE)

CWE-284

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

https://seccore.at/blog/cves-meona/

third-party-advisory

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CVE-2026-0856

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References