Advisory severityMedium6.5Apache Software Foundation

Medium [CVE-2026-66083] Apache DolphinScheduler: The /datasources/unauth-datasource endpoint does not properly enforce data source authorization

This medium-severity Apache Software Foundation advisory covers CVE-2026-66083 affecting Apache DolphinScheduler.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-66083 Source published Sep 29, 2026Source updated Sep 29, 2026

VulniPulse record published Sep 29, 2026Record updated Sep 29, 2026

CVE-2026-66083

Affected products & platforms

Apache Software FoundationUnclassified

Open source advisory

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Summary

The /datasources/unauth-datasource endpoint does not properly enforce data source authorization. An authenticated user can invoke this endpoint to obtain information about data sources they are not authorized to access.

This may expose data source configuration and other sensitive metadata, depending on the fields returned by the endpoint.

This issue affects Apache DolphinScheduler: before 3.4.3.

Users are recommended to upgrade to version 3.4.3, which fixes the issue.

Affected versions

Apache DolphinScheduler before 3.4.3

Official advisory · high-confidence parse· fetched 7 days ago·verify at source

Fixed versions

3.4.3

Official advisory · high-confidence parse· fetched 7 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Users are recommended to upgrade to version 3.4.3, which fixes the issue.

Official advisory · high-confidence parse· fetched 7 days ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-66083 instead of the raw feed document.
CVE Program

Cross-references

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CVE-2026-66083NVD CVE.org MITRE

Official resources

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Apache project downloads (fixed releases)
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