---
id: CVE-2026-116467
title: ggml-org llama.cpp Mirostat Sampler llama-sampler.cpp assertion
summary: >-
  A security flaw has been discovered in ggml-org llama.cpp up to 0.7.0.
  Affected by this vulnerability is an unknown functionality of the file
  src/llama-sampler.cpp of the component Mirostat Sampler. The manipulation
  results in reachable …
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:X/RC:C'
cvssSource: cna
cwe:
  - CWE-617
vendor: ggml-org
product: llama.cpp
affected:
  - llama.cpp 0.1
  - llama.cpp 0.2
  - llama.cpp 0.3
  - llama.cpp 0.4
  - llama.cpp 0.5
  - llama.cpp 0.6
  - llama.cpp 0.7.0
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-26T19:32:22.723811Z'
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T19:34:25.208Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116467'
references:
  - url: 'https://vuldb.com/vuln/426361'
    label: >-
      VDB-426361 | ggml-org llama.cpp Mirostat Sampler llama-sampler.cpp
      assertion
  - url: 'https://vuldb.com/vuln/426361/cti'
    label: 'VDB-426361 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-116467'
    label: CVE-2026-116467 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1013917'
    label: >-
      Submit #1013917 | ggml-org llama.cpp 2ed93db47 and earlier (fixed in PR
      #29992) CWE-617 (Reachable Assertion)
  - url: 'https://github.com/ggml-org/llama.cpp/pull/29992'
  - url: 'https://github.com/ggml-org/llama.cpp/'
tags:
  - cve.org
ingestedAt: '2026-10-26T19:38:01.342Z'
epss: 0.00638
epssPercentile: 0.50372
---

## Overview

A security flaw has been discovered in ggml-org llama.cpp up to 0.7.0. Affected by this vulnerability is an unknown functionality of the file src/llama-sampler.cpp of the component Mirostat Sampler. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The project was informed of the problem early through a pull request but has not reacted yet.

## Affected

- `llama.cpp 0.1`
- `llama.cpp 0.2`
- `llama.cpp 0.3`
- `llama.cpp 0.4`
- `llama.cpp 0.5`
- `llama.cpp 0.6`
- `llama.cpp 0.7.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.