---
id: CVE-2026-17500
title: A vulnerability was detected in ggml-org llama.cpp d006858/e15efe0
summary: >-
  A vulnerability was detected in ggml-org llama.cpp d006858/e15efe0. This
  affects the function _visit_pattern of the file
  common/json-schema-to-grammar.cpp. The manipulation results in null pointer
  dereference. The attack can be launched …
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'
cwe:
  - CWE-404
  - CWE-476
published: '2026-07-27'
updated: '2026-07-27'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-17500'
references:
  - url: 'https://github.com/ggml-org/llama.cpp/'
    label: cna@vuldb.com
  - url: 'https://github.com/ggml-org/llama.cpp/issues/25284'
    label: cna@vuldb.com
  - url: 'https://github.com/ggml-org/llama.cpp/pull/25308'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-17500'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/798503'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/383353'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/383353/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-07-27T02:15:55.034Z'
epss: 0.00724
epssPercentile: 0.52076
---

## Overview

A vulnerability was detected in ggml-org llama.cpp d006858/e15efe0. This affects the function _visit_pattern of the file common/json-schema-to-grammar.cpp. The manipulation results in null pointer dereference. The attack can be launched remotely. The pull request to fix this issue awaits acceptance.

## Remediation

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