Linux Distros Unpatched Vulnerability : CVE-2026-2069

low Nessus Plugin ID 298325

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

- A flaw has been found in ggml-org llama.cpp up to 55abc39. Impacted is the function llama_grammar_advance_stack of the file llama.cpp/src/llama-grammar.cpp of the component GBNF Grammar Handler. This manipulation causes stack-based buffer overflow. The attack needs to be launched locally.
The exploit has been published and may be used. Patch name: 18993. To fix this issue, it is recommended to deploy a patch. (CVE-2026-2069)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

Plugin Details

Severity: Low

ID: 298325

File Name: unpatched_CVE_2026_2069.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 2/9/2026

Updated: 2/10/2026

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Low

Base Score: 1.7

Temporal Score: 1.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2026-2069

CVSS v3

Risk Factor: Low

Base Score: 3.3

Temporal Score: 3.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:U/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:llama.cpp, cpe:/o:canonical:ubuntu_linux:25.10

Required KB Items: Host/cpu, Host/local_checks_enabled, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/6/2026

Reference Information

CVE: CVE-2026-2069

Detections

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