CVE-2026-82082: CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection') in Green-Computing NUMail
Description
NUMail, a product by Green-Computing, has an OS Command Injection vulnerability (CWE-78) that allows unauthenticated remote attackers to inject and execute arbitrary OS commands on the server. This vulnerability is critical with a CVSS 4.0 score of 9.3, indicating high impact and ease of exploitation. No affected versions or patches have been explicitly stated or provided. There are no known exploits in the wild at this time.
CVSS v4.0
Score 9.3critical
Affected software
Green-Computing
NUMail
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-82082 is an OS Command Injection vulnerability in Green-Computing's NUMail product. It allows unauthenticated remote attackers to execute arbitrary operating system commands on the server due to improper neutralization of special elements used in OS commands. The vulnerability has a CVSS 4.0 base score of 9.3, reflecting network attack vector, low attack complexity, no privileges or user interaction required, but high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and no known exploits have been reported.
Potential Impact
Successful exploitation enables unauthenticated remote attackers to execute arbitrary OS commands on the server hosting NUMail, potentially leading to full system compromise, data loss, or service disruption. The vulnerability affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict network access to the affected service and monitor for unusual activity related to command execution attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- twcert
- Date Reserved
- 2026-08-28T02:44:54.502Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a91179facd9273b496fd561
Added to database: 08/28/2026, 05:07:43 UTC
Last enriched: 09/08/2026, 10:07:14 UTC
Last updated: 10/12/2026, 18:48:23 UTC
Views: 95
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.