CVE-2026-81625
High
Description
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductGreenbone OS
PublishedAug 27, 2026
First seenAug 27, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Greenbone Greenbone OS | 5.0 ≤ v ≤ 25.0.5 | — |
| greenbone openvas-scanner | 3.0 ≤ v ≤ 23.49.3 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.