CVE-2026-0857 (CVSS 6)

Description

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.

Is your site exposed to CVE-2026-0857?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

6.0

MEDIUM

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

EPSS — Exploit Prediction

0.0010

Probability of exploitation

0.01%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-316 CWE-316

References

Other References

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

Frequently Asked Questions

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. It has a CVSS v3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2026-0857? +

CVE-2026-0857 has a CVSS v3.1 score of 6.0 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0010, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-0857? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-27875

Cleartext Storage of Sensitive Information in Memory vulnerability in Johnson Controls Simplex Incident Manager / Autocall Fire Administrator may allow …

CVE-2025-4618

A sensitive information disclosure vulnerability in Palo Alto Networks Prisma® Browser allows a locally authenticated non-admin user to retrieve sensitive …

CVE-2026-77407

RabbitMQ amqp091-go is a Go AMQP 0.9.1 client. Prior to 1.13.0, PlainAuth values defined in auth.go retain passwords as exported …

CVE-2026-53604

nebula-mesh is a self-hosted control plane for Slack Nebula mesh VPN. Prior to version 0.3.8, the web handler renderMobileBundle passes …

CVE-2025-52579 9.4

Emerson ValveLink Products store sensitive information in cleartext in memory. The sensitive memory might be saved to disk, stored in …

CVE-2024-36792 8.2

An issue in the implementation of the WPS in Netgear WNR614 JNR1010V2/N300-V1.1.0.54_1.0.1 allows attackers to gain access to the router's …

CVE-2026-0857