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CVE-2026-32966

Apache Dolphinscheduler broken access control

9.8 CRITICALEPSS 0.66%
  1. Published17 Jun 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Apache Dolphinscheduler< 3.4.2

Remediation

Fixed in
Apache Dolphinscheduler≥ 3.4.2

References

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Frequently asked

Is CVE-2026-32966 being actively exploited?

CVE-2026-32966 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.66%.

How severe is CVE-2026-32966?

CVE-2026-32966 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.66% probability of exploitation.

Which products are affected by CVE-2026-32966?

Affected products include Apache Dolphinscheduler.

How do I fix CVE-2026-32966?

Upgrade affected software to a fixed version, for example Apache Dolphinscheduler 3.4.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-32966 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.