CVE-2026-52130: Ggml Llama.cpp

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

llama.cpp b5693 and before is vulnerable to Uncontrolled Recursion in common/json-schema-to-grammar.cpp, resulting in a denial of service.

Affected products

• Ggml Llama.cpp: up to and including b5693

Published 2026-09-01. Last modified 2026-09-04.