Path Traversal in Khronos Group Nnef
CVE-2026-110657
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/SJiYagajfe (technical-description, exploit)
- github.com/KhronosGroup/NNEF-Tools/blob/0bb9c04fcf69c19e0aefa1ba9bf65f05478c8f8… (technical-description)
- github.com/KhronosGroup/NNEF-Tools (product)
- www.vulncheck.com/advisories/khronos-nnef-tools-nnef-through-1.0.10-and-nnef-to… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-110657?
- CVE-2026-110657 is a low-severity vulnerability in Khronos Group Nnef, classified under Path Traversal. CVSS score: 3.3/10. Published 2026-10-14.
- How severe is CVE-2026-110657?
- Low severity. CVSS v3 base score is 3.3 out of 10.