CVE-2026-17501

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

MEDIUM
5.3
CVSS Score
Published: July 27, 2026 at 12:30 AM UTC
Updated: October 24, 2026 at 01:10 PM UTC
1 product affected across 1 vendorLlama.cpp

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/383354
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/383354/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-17501
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/798504
Issue TrackingPatch
Source: cverecord
https://github.com/ggml-org/llama.cpp/pull/25308

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-770CWE-400CWE-674CWE-404

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