CVE-2026-32966
CWE-863Published: June 17, 2026· Updated: Jun 17, 2026
Official Description
DataSource API Missing Authorization Check Leads to Arbitrary Data Source Metadata Disclosure in Apache DolphinScheduler.
This issue affects Apache DolphinScheduler: before 3.4.2.
Users are recommended to upgrade to version 3.4.2, which fixes the issue.
Technical Analysis
CVE-2026-32966 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-863)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-32966 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts