What is CVE-2026-4640?

CVE-2026-4640 is a high-severity vulnerability in Galaxy Software Services Vitals Esp, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-03-24.

How severe is CVE-2026-4640?

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

Auth bypass in Galaxy Software Services Vitals Esp

CVE-2026-4640

Vitals ESP developed by Galaxy Software Services has a Missing Authentication vulnerability, allowing unauthenticated remote attackers to execute certain functions to obtain sensitive information.

Vulnerability class: Broken Authentication

Published 2026-03-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.007 · change: +0.003

Affected products

Galaxy Software Services Vitals Esp — versions 0
Gss Vitalsesp

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

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

Frequently asked questions

What is CVE-2026-4640?: CVE-2026-4640 is a high-severity vulnerability in Galaxy Software Services Vitals Esp, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-03-24.
How severe is CVE-2026-4640?: High severity. CVSS v3 base score is 7.5 out of 10.