CVE-2026-41490

HIGH

Dagster Vulnerable to SQL Injection via Dynamic Partition Keys in Database I/O Manager Integrations

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-41490. PoCs published by romain-deperne.

AI-analyzed exploit summary This repository contains a functional PoC demonstrating SQL injection in Dagster IO managers via dynamic partition keys. The exploit leverages unauthenticated GraphQL mutations to inject malicious partition keys, which are then interpolated into SQL queries without sanitization.

Description

Dagster is an orchestration platform for the development, production, and observation of data assets. Prior to Dagster Core version 1.13.1 and prior to Dagster libraries version 0.29.1, the DuckDB, Snowflake, BigQuery, and DeltaLake I/O managers constructed SQL WHERE clauses by interpolating dynamic partition key values into queries without escaping. A user with the Add Dynamic Partitions permission could create a partition key that injects arbitrary SQL, which would execute against the target database backend under the I/O manager's credentials. Only deployments that use dynamic partitions are affected. Pipelines using static or time-window partitions are not impacted. This issue has been patched in Dagster Core version 1.13.1 and Dagster libraries version 0.29.1.

Exploits (1)

github WORKING POC
by romain-deperne · pythonpoc
https://github.com/romain-deperne/CVE-2026-41490

This repository contains a functional PoC demonstrating SQL injection in Dagster IO managers via dynamic partition keys. The exploit leverages unauthenticated GraphQL mutations to inject malicious partition keys, which are then interpolated into SQL queries without sanitization.

Classification
Working Poc 100%
Attack Type
Sqli
Complexity
Moderate
Reliability
Reliable
Target: Dagster (dagster-duckdb, dagster-snowflake, dagster-gcp, dagster-deltalake, dagster-snowflake-polars) ≤ 1.12.20
No auth needed
Prerequisites: Network access to Dagster webserver · Dagster configured with dynamic partitions
mistral-large-3 · analyzed Jun 13, 2026 Full analysis →

References (2)

Core 2
Core References

Scores

CVSS v3 8.3
EPSS 0.0027
EPSS Percentile 18.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-89
Status published
Products (12)
dagster-io/dagster dagster < 1.13.1
dagster-io/dagster dagster-deltalake < 0.29.1
dagster-io/dagster dagster-duckdb < 0.29.1
dagster-io/dagster dagster-gcp < 0.29.1
dagster-io/dagster dagster-snowflake < 0.29.1
dagster-io/dagster dagster-snowflake-polars < 0.29.1
pypi/dagster 0 - 1.13.1PyPI
pypi/dagster-deltalake 0 - 0.29.1PyPI
pypi/dagster-duckdb 0 - 0.29.1PyPI
pypi/dagster-gcp 0 - 0.29.1PyPI
... and 2 more
Published May 07, 2026
Tracked Since May 07, 2026