ggml-org llama.cpp e15efe0 JSON-Schema-to-GBNF Conversion json-schema-to-grammar.cpp transform recursion

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.51

Summaryinfo

A vulnerability was found in ggml-org llama.cpp e15efe0. It has been declared as critical. This issue affects the function transform of the file common/json-schema-to-grammar.cpp of the component JSON-Schema-to-GBNF Conversion. Such manipulation leads to recursion. This vulnerability is traded as CVE-2026-17501. The attack may be launched remotely. There is no exploit available. The pull request to fix this issue awaits acceptance.

Detailsinfo

A vulnerability was found in ggml-org llama.cpp e15efe0. It has been rated as critical. Affected by this issue is the function transform of the file common/json-schema-to-grammar.cpp of the component JSON-Schema-to-GBNF Conversion. The manipulation with an unknown input leads to a recursion vulnerability. Using CWE to declare the problem leads to CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. Impacted is availability.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-17501. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The pull request to fix this issue awaits acceptance. The vulnerability scanner Nessus provides a plugin with the ID 330130 (Linux Distros Unpatched Vulnerability : CVE-2026-17501), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (330130) and EUVD (EUVD-2026-49061). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Recursion
CWE: CWE-674 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 330130
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-17501

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/26/2026 Advisory disclosed
07/26/2026 +0 days VulDB entry created
07/29/2026 +3 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 25283
Status: Not defined
Confirmation: 🔒

CVE: CVE-2026-17501 (🔒)
GCVE (CVE): GCVE-0-2026-17501
GCVE (VulDB): GCVE-100-383354
EUVD: 🔒

Entryinfo

Created: 07/26/2026 19:39
Updated: 07/29/2026 06:44
Changes: 07/26/2026 19:39 (57), 07/27/2026 04:42 (1), 07/28/2026 04:07 (2), 07/29/2026 06:44 (1)
Complete: 🔍
Submitter: m00dy
Committer: m00dy
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #798504: ggml-org llama.cpp (confirmed on commit e15efe0 / tag b8635+1) Uncontrolled Recursion (by m00dy)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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