CVE-2026-110657: Path Traversal (CVSS 3.3)

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.

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CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0024

Probability of exploitation

0.15%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-22 Path Traversal

References

Other References

https://github.com/KhronosGroup/NNEF-Tools https://github.com/KhronosGroup/NNEF-Tools/blob/0bb9c04fcf69c19e0aefa1ba9bf65f05478c8f81/nnef-pyproject/nnef/__init__.py#L87 https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/SJiYagajfe 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 https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/SJiYagajfe

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2026-110657? +

CVE-2026-110657 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0024, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-110657? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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