CVE-2025-51481 Dagster Local File Inclusion vulnerability
Attackers with gRPC access can read arbitrary files via path traversal in Dagster's notebook data retrieval, bypassing extension checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-51481?
CVE-2025-51481 is a medium-severity path traversal vulnerability in n/a, published on 22 Jul 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Local File Inclusion in dagster._grpc.impl.get_notebook_data in Dagster 1.10.14 allows attackers with access to the gRPC server to read arbitrary files by supplying path traversal sequences in the notebook_path field of ExternalNotebookData requests, bypassing the intended extension-based check.
Weakness: CWE-22
Which versions are affected by CVE-2025-51481?
4 open source packages ship an affected version, including dagster and dagster-ge. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
dagster PyPI | All versions | 1.10.16 |
dagster PyPI | All versions | 1.10.16 |
dagster PyPI | All versions | 1.10.16 |
dagster-ge PyPI | All versions to 1.10.14 | None |
Products include Dagsterlabs Dagster.
How do I fix CVE-2025-51481?
Upgrade dagster to 1.10.16 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-51481 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-51481 exists.
Sources
Also known as GHSA-h7x8-jv97-fvvm, PYSEC-2025-102, PYSEC-2026-1286.