CVE-2025-51481: Local File Inclusion in dagster._grpc.impl.get_notebook_data in Dagster 1.10.14 allows attackers with access t

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MEDIUM 6.6DOWNGRADE

CVE-2025-51481 is a medium-severity flaw (CVSS 6.6) affecting dagster. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.6 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-07-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: dagsterlabs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-22 17:15 UTCPublished CVE record published
2026-06-17 09:35 UTCUpdated Record last modified

dagsterlabs dagster DOWNGRADE

Affected: 1.10.14

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.10.14

1. Check installed version

apt-cache policy dagster || rpm -q dagster || dagster --version

2. No fixed release: DOWNGRADE to a release before 1.10.14 (Debian / Ubuntu)

apt-cache madison dagster sudo apt install dagster=<VERSION_BEFORE_1.10.14> sudo apt-mark hold dagster

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list dagster sudo dnf downgrade dagster-<VERSION_BEFORE_1.10.14> sudo dnf versionlock add dagster

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-51481?

dagster: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-51481 being exploited?

CVE-2025-51481 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-51481 affect?

CVE-2025-51481 affects dagster. Severity is medium (CVSS 6.6). 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

How urgent is CVE-2025-51481?

Priority 41/100. Public exploit reference

References

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