CVE-2026-25602

May 20, 2026, 2:03 p.m.

4.4
Medium

Description

Insufficient Verification of Data Authenticity vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component makes it possible to send messages to any email address. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020.

Product(s) Impacted

Vendor Product Versions
Mesalvo
  • Meona Client Launcher
  • Meona Server
  • *
  • <2025.04>

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-345
Insufficient Verification of Data Authenticity
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a mesalvo meona_client_launcher / / / / / / / /
a mesalvo meona_server <2025.04> / / / / / / /

References

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

Tags

CWE-345
a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
2026-05-20
CVE-2026-25602

CVSS Score

4.4 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: LOW
  • Availability Impact: NONE

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

    View Vector String

Timeline

Published: May 20, 2026, 11:16 a.m.
Last Modified: May 20, 2026, 2:03 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

a6d3dc9e-0591-4a13-bce7-0f5b31ff6158

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.