CVE-2026-108955 Tiiny-AI PowerInfer GGUF ggml.c gguf_init_from_file out-of-bounds
Local attackers can trigger an out-of-bounds read in the GGUF parser, potentially causing information disclosure or crashes.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108955?
CVE-2026-108955 is a medium-severity memory corruption vulnerability in Tiiny-AI PowerInfer, published on 13 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was determined in Tiiny-AI PowerInfer up to 8bd56d69906c9d2dba4d3bf6899763401e01a9a4. Impacted is the function gguf_init_from_file of the file ggml.c of the component GGUF Parser. This manipulation of the argument data_offset causes out-of-bounds read. The attack requires local access. The exploit has been publicly disclosed and may be utilized. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The pull request to fix this issue awaits acceptance.
Which versions are affected by CVE-2026-108955?
How do I fix CVE-2026-108955?
No fix has been published for CVE-2026-108955 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-108955 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108955 exists.
Sources
Also known as GHSA-j6ch-mq7f-f9j6.