What’s Vulnerable › Vulnerabilities

CVE-2026-32966: Apache DolphinScheduler: DataSource API Missing Authorization Check Leads to Arbitrary Data Source Metadata Disclosure

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-17 · updated 2026-10-25
• Weakness: CWE-863

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.

Affected products

• Apache Software Foundation Apache DolphinScheduler: before 3.4.2 — fixed in 3.4.2

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache DolphinScheduler 3.4.2. Check the vendor advisory for mitigations.

References

• https://lists.apache.org/thread/4f1fojpj26z9y5nd1ko845gcknpn75g2
• http://www.openwall.com/lists/oss-security/2026/06/17/2

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