What is CVE-2026-4639?

CVE-2026-4639 is a high-severity vulnerability in Galaxy Software Services Vitals Esp, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-03-24.

How severe is CVE-2026-4639?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Galaxy Software Services Vitals Esp

CVE-2026-4639

Vitals ESP developed by Galaxy Software Services has a Incorrect Authorization vulnerability, allowing authenticated remote attackers to perform certain administrative functions, thereby escalating privileges.

Vulnerability class: Broken Access Control

EPSS: 0.002 (35.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Galaxy Software Services Vitals Esp — versions 0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

www.twcert.org.tw/tw/cp-132-10794-704a2-1.html (third-party-advisory)
www.twcert.org.tw/en/cp-139-10795-25784-2.html (third-party-advisory)

Frequently asked questions

What is CVE-2026-4639?: CVE-2026-4639 is a high-severity vulnerability in Galaxy Software Services Vitals Esp, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-03-24.
How severe is CVE-2026-4639?: High severity. CVSS v3 base score is 8.8 out of 10.