VULNERABILITY INTELLIGENCE
CVE-2026-2069
CVSS score3.3 LOW
EPSS probability0.14%
CISA KEVNot currently listed
Published2026-02-06
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Description
A flaw has been found in ggml-org llama.cpp up to 55abc39. Impacted is the function llama_grammar_advance_stack of the file llama.cpp/src/llama-grammar.cpp of the component GBNF Grammar Handler. This manipulation causes stack-based buffer overflow. The attack needs to be launched locally. The exploit has been published and may be used. Patch name: 18993. To fix this issue, it is recommended to deploy a patch.
Weakness classification
- cna@vuldb.com: CWE-119