CVE-2026-110657 Khronos NNEF-Tools nnef through 1.0.10 and nnef-tools through 1.0.11 Path Traversal via Variable Label
Attackers can write files outside the model directory via crafted variable labels in NNEF files, potentially overwriting critical data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-110657?
CVE-2026-110657 is a medium-severity path traversal vulnerability in Khronos Group nnef, published on 14 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Khronos NNEF-Tools nnef through 1.0.10 and nnef-tools through 1.0.11 contain a path traversal vulnerability that allows attackers to write files outside the model directory via crafted variable labels. Attackers can supply a graph.nnef with '../' sequences or absolute paths in labels to create or overwrite '.dat' files when users convert, save, or generate weights.
Weakness: CWE-22
Which versions are affected by CVE-2026-110657?
How do I fix CVE-2026-110657?
No fix has been published for CVE-2026-110657 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-110657 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110657 exists.
Sources
Also known as GHSA-3m64-wpw6-whjx.