Vulnerability · Published Aug 28, 2026 · Assigned by twcert

CVE-2026-82082Green-Computing|NUMail - OS Command Injection

Critical 9.8

In plain English

A critical-severity OS command injection in NUMail from Green-Computing. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)2.0%top 18.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Green-Computing NUMail all

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References