What is CVE-2026-5057?

CVE-2026-5057 is a high-severity vulnerability in Aten Unizon, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-07-29.

How severe is CVE-2026-5057?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Aten Unizon

CVE-2026-5057

ATEN Unizon RpcProvider Missing Authentication Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of ATEN Unizon. Authentication is not required to…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Aten Unizon — versions 2.6.253.001

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

zdi-disclosures@trendmicro.com (x_research-advisory)
zdi-disclosures@trendmicro.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-5057?: CVE-2026-5057 is a high-severity vulnerability in Aten Unizon, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-07-29.
How severe is CVE-2026-5057?: High severity. CVSS v3 base score is 7.5 out of 10.