Low severity · published Oct 14, 2026
CVE-2026-110657
Khronos NNEF-Tools nnef through 1.0.10 and nnef-tools through 1.0.11 Path Traversal via Variable Label
3.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NN
nnef · Khronos Group
through 1.0.10 · source: vendor
NN
nnef-tools · Khronos Group
through 1.0.11 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-110657
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-110657
technical-description
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/SJiYagajfe
technical-description
https://github.com/KhronosGroup/NNEF-Tools/blob/0bb9c04fcf69c19e0aefa1ba9bf65f05478c8f81/nnef-pyproject/nnef/__init__.py#L87
product
https://github.com/KhronosGroup/NNEF-Tools
third-party-advisory
https://www.vulncheck.com/advisories/khronos-nnef-tools-nnef-through-1.0.10-and-nnef-tools-through-1.0.11-path-traversal-via-variable-label