CVE-2026-3840 Path Traversal in kedro-org/kedro
Attackers can exploit path traversal via crafted version strings to read or modify files outside intended directories in Kedro data pipelines.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3840?
CVE-2026-3840 is a high-severity path traversal vulnerability in kedro-org/kedro, published on 12 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in Kedro version 1.2.0 allows an attacker to exploit path traversal by providing a crafted version string. The `_get_versioned_path()` method in `kedro/io/core.py` directly interpolates user-supplied version strings into filesystem paths without sanitization. This enables an attacker to escape the intended versioned dataset directory and access files outside the expected path. The issue is also reachable through the CLI via the `--load-versions` parameter, as `_split_load_versions()` in `kedro/framework/cli/utils.py` does not validate the version string. This vulnerability can lead to unauthorized file reads, data poisoning, cross-project or cross-tenant data access, and broader downstream impacts in environments where Kedro is used with automation or orchestration layers.
Weakness: CWE-22
Which versions are affected by CVE-2026-3840?
It affects 1 product.
Products include Linuxfoundation Kedro.
How do I fix CVE-2026-3840?
No fix has been published for CVE-2026-3840 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-3840 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3840 exists.
Other vulnerabilities in kedro-org/kedro
Sources
Also known as GHSA-jfxr-crxr-374q.