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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Greenbone Greenbone OS unaffected
Version Status Constraints
5.0 affected ≤ 25.0.5
greenbone openvas-scanner unaffected
Version Status Constraints
3.0 affected ≤ 23.49.3

No data.

No data.

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No data.

Project Subscriptions

Vendors Products
Greenbone Subscribe
Greenbone Os Subscribe
Openvas-scanner Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.greenbone.net/.well-known/csaf/white/2026/gbsa2026-03.json cve-icon cve-icon
History

Thu, 27 Aug 2026 09:30:00 +0000

Type Values Removed Values Added
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.
Title Stack buffer overflow in Greenbone OS and openvas-scanner
First Time appeared Greenbone
Greenbone greenbone Os
Greenbone openvas-scanner
Weaknesses CWE-787
CPEs cpe:2.3:a:greenbone:openvas-scanner:*:*:*:*:*:*:*:*
cpe:2.3:o:greenbone:greenbone_os:*:*:*:*:*:*:*:*
Vendors & Products Greenbone
Greenbone greenbone Os
Greenbone openvas-scanner
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published:

Updated: 2026-08-27T12:12:02.884Z

Reserved: 2026-08-27T08:47:01.871Z

Link: CVE-2026-81625

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-27T10:16:41.000

Modified: 2026-08-27T10:16:41.000

Link: CVE-2026-81625

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-27T10:45:17Z

Weaknesses