What is CVE-2026-82082?

CVE-2026-82082 is a critical-severity vulnerability in Green-Computing Numail, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-28.

How severe is CVE-2026-82082?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Green-Computing Numail

CVE-2026-82082

NUMail developed by Green-Computing has an OS Command Injection vulnerability. Unauthenticated remote attackers can inject arbitrary OS commands and execute them on the server.

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-08-28 · last modified 2026-08-28.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (80.6th percentile), scored 2026-10-13.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.020 · change: +0.005

Affected products

Green-Computing Numail

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.twcert.org.tw/tw/cp-132-11144-45c6a-1.html (third-party-advisory)
www.twcert.org.tw/en/cp-139-11145-5361d-2.html (third-party-advisory)

Frequently asked questions

What is CVE-2026-82082?: CVE-2026-82082 is a critical-severity vulnerability in Green-Computing Numail, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-08-28.
How severe is CVE-2026-82082?: Critical severity. CVSS v3 base score is 9.8 out of 10.