---
id: CVE-2026-17501
title: A flaw has been found in ggml-org llama.cpp e15efe0
summary: >-
  A flaw has been found in ggml-org llama.cpp e15efe0. This vulnerability
  affects the function transform of the file common/json-schema-to-grammar.cpp
  of the component JSON-Schema-to-GBNF Conversion. This manipulation causes
  allocation of …
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-400
  - CWE-770
published: '2026-07-27'
updated: '2026-07-27'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-17501'
references:
  - url: 'https://github.com/ggml-org/llama.cpp/'
    label: cna@vuldb.com
  - url: 'https://github.com/ggml-org/llama.cpp/issues/25283'
    label: cna@vuldb.com
  - url: 'https://github.com/ggml-org/llama.cpp/pull/25308'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-17501'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/798504'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/383354'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/383354/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-07-27T02:15:55.195Z'
epss: 0.00419
epssPercentile: 0.35892
---

## Overview

A flaw has been found in ggml-org llama.cpp e15efe0. This vulnerability affects the function transform of the file common/json-schema-to-grammar.cpp of the component JSON-Schema-to-GBNF Conversion. This manipulation causes allocation of resources. The attack may be initiated remotely. The pull request to fix this issue awaits acceptance.

## Remediation

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