Dagster Local File Inclusion vulnerability

published 2025-07-22 15 mo ago modified 2026-11-05 3 d ago also GHSA-h7x8-jv97-fvvm , PYSEC-2025-102 , PYSEC-2026-1286 , EUVD-2025-22342

cvss: 6.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

pypi dagster 1.10.16

github.com/dagster-io/dagster@3a3cec2 commit

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 15 mo ago (2025-07-22)

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/dagster-io/dagster/pull/30002 referenced PoC, tagged "exploit" by a source, unverified
gecko.security https://www.gecko.security/blog/cve-2025-51481 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.6	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L
CNA	3.1	6.6	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L
OSV	3.1	6.6	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L
GitHub	3.1	6.6	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L

Affected packages

ecosystem	package	affected	fixed in
pypi	dagster	<1.10.16	1.10.16
pypi	dagster-ge	<=1.10.14	no fix listed

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

github.com /dagster-io/dagster/pull/30002
web, exploit, issue-tracking, vendor-advisory, report
github.com /dagster-io/dagster/commit/3a3cec2b51577c4970e6fc4c199cda6418c09a9d
web
gecko.security /blog/cve-2025-51481
web, exploit, third-party-advisory, evidence
github.com /dagster-io/dagster
package, product
nvd.nist.gov /vuln/detail/CVE-2025-51481
advisory
github.com /pypa/advisory-database/tree/main/vulns/dagster-ge/PYSEC-2025-102.yaml
web
pypi.org /project/dagster
package
github.com /advisories/GHSA-h7x8-jv97-fvvm
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary