CVE-2025-51481: dagster Path Traversal

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.

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CVSS v3.1 Score

6.6

MEDIUM

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

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
dagsterlabs	dagster	All

References

Advisories & Patches

https://github.com/dagster-io/dagster/pull/30002

Exploits

https://github.com/dagster-io/dagster/pull/30002 https://www.gecko.security/blog/cve-2025-51481

Other References

https://github.com/dagster-io/dagster

Frequently Asked Questions

What is CVE-2025-51481? +

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. It has a CVSS v3.1 base score of 6.6 (MEDIUM).

How severe is CVE-2025-51481? +

CVE-2025-51481 has a CVSS v3.1 score of 6.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-51481? +

CVE-2025-51481 affects products from dagsterlabs, specifically: dagster. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-51481? +

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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