Incorrect Privilege Assignment in Mesalvo Meona Client and Server Components
CVE-2026-22315

7.2HIGH

Key Information:

Vendor

Mesalvo

Status
Meona Client Launcher Component
Meona Server Component
Vendor
CVE Published:
20 May 2026

What is CVE-2026-22315?

The Mesalvo Meona Client Launcher and Server Components have a critical flaw related to incorrect privilege assignment. This vulnerability allows unauthorized access, leading to the potential export of sensitive user data, including cleartext passwords, through the SQL editor. Versions of the Meona Client Launcher up to 19.06.2020 15:11:49 and the Meona Server Component up to 2025.04 5+323020 are affected, highlighting the risks associated with inadequate privilege controls in these applications.

Affected Version(s)

Meona Client Launcher Component 0 <= 19.06.2020 15:11:49

Meona Server Component 0 <= 2025.04 5+323020

References

https://seccore.at/blog/cves-meona/
third-party-advisory

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.