CVE-2026-81625: Greenbone OS

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

A remote attacker with user privileges may use a malicious or compromised NASL vulnerability test (VT) on the affected products to trigger a stack buffer overflow and gain full access on the compromised system.

Affected products

• Greenbone Greenbone OS: from 5.0, up to and including 25.0.5
• Greenbone Openvas-Scanner: from 3.0, up to and including 23.49.3

Published 2026-08-27. Last modified 2026-09-03.