How severe is CVE-2026-32966?

CVE-2026-32966 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-32966 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32966?

CVE-2026-32966 affects Apache Dolphinscheduler. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-32966?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-32966 have an EU (EUVD) identifier?

Yes. CVE-2026-32966 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37580.

When was CVE-2026-32966 published?

CVE-2026-32966 was published on 2026-06-17.

CVE-2026-32966

CVE-2026-32966 is a critical-severity vulnerability in Apache Dolphinscheduler with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37580
Weakness: CWE-863
Affected product: Apache Dolphinscheduler
Published: 2026-06-17
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-32966?: 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.
How severe is CVE-2026-32966?: CVE-2026-32966 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-32966 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32966?: CVE-2026-32966 affects Apache Dolphinscheduler. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-32966?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-32966 have an EU (EUVD) identifier?: Yes. CVE-2026-32966 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37580.
When was CVE-2026-32966 published?: CVE-2026-32966 was published on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:dolphinscheduler:*:*:*:*:*:*:*:*

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