CVE-2026-66083 json
Apache DolphinScheduler: Unauthorized Disclosure of Data Source Information via /datasources/unauth-datasource
published 2026-09-29 40 d ago modified 2026-10-06 33 d ago also EUVD-2026-88742
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
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.
Patch / fix
- Apache Software Foundation Apache DolphinScheduler 3.4.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 40 d ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Apache Software Foundation Apache DolphinScheduler
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
lists.apache.org
/thread/b6brfom0jmy9kdt40qrn6dq0x4v2wxdr
vendor-advisory
-
openwall.com
/lists/oss-security/2026/09/29/19
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-66083
- NVD CVE-2026-66083
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