Stack Buffer Overflow Vulnerability in Greenbone's NASL Testing Framework
CVE-2026-81625

8.7HIGH

Key Information:

Vendor

Greenbone

Status
Greenbone Os
Openvas-scanner
Vendor
CVE Published:
27 August 2026

What is CVE-2026-81625?

A vulnerability allowing remote attackers with user privileges to execute malicious NASL vulnerability tests on affected systems could lead to a stack buffer overflow. This exploitation offers the potential for an attacker to gain complete control over the compromised system, posing significant risks to data integrity and system security.

Affected Version(s)

Greenbone OS 5.0 <= 25.0.5

openvas-scanner 3.0 <= 23.49.3

References

https://www.greenbone.net/.well-known/csaf/white/2026/gbs...

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tristan Madani
Talence Security
.