CVE-2026-0857

Medium
6.0
0.05.010.0
Year
2026
Published
May 20, 2026
Known Affected Devices
0
CVSS Score
6.0

What is CVE-2026-0857?

Cleartext Storage of Sensitive Information in Memory vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020.

CVSS Vector Breakdown

CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
AV
Attack Vector
Local

Requires local access — attacker must be logged in or have physical access to the device.

AC
Attack Complexity
Low

No special conditions required. Exploit can be performed reliably and repeatedly.

PR
Privileges Required
High

Administrative or root-level privileges required to exploit.

UI
User Interaction
None

No user interaction required. Exploit runs without any victim action.

S
Scope
Changed

Exploiting the vulnerability can affect other components beyond the vulnerable one.

C
Confidentiality Impact
High

Complete loss of confidentiality. All data on the component may be exposed.

I
Integrity Impact
None

No integrity impact. Data cannot be modified.

A
Availability Impact
None

No availability impact. Service remains fully operational.

FAQ

How severe is CVE-2026-0857?

CVE-2026-0857 has a CVSS score of 6.0/10, rated as Medium. Review the affected products list and apply vendor patches.

What does the CVSS score mean for CVE-2026-0857?

CVSS (Common Vulnerability Scoring System) rates vulnerability severity from 0.0 to 10.0. CVE-2026-0857 scores 6.0/10 (Medium). Scores 9.0–10.0 are Critical, 7.0–8.9 are High, 4.0–6.9 are Medium, and below 4.0 are Low.

Which devices are affected by CVE-2026-0857?

The list of devices confirmed to be affected by CVE-2026-0857 is shown in the "Affected Devices" section above. Check your firmware version against the vendor security advisory and apply the latest patch.

How do I fix or mitigate CVE-2026-0857?

Apply the latest firmware or software update from the vendor. Check the References section above for official advisories and patch notes. If no patch is available, consider disabling the affected feature or isolating the device from untrusted networks.