Authorization bypass through user-controlled key in DataEase - CVE-2026-53730
Published: June 18, 2026
Vulnerability identifier: #VU134831
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-53730
CWE-ID: CWE-639
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: DataEase
Affected software:
DataEase
DataEase
Detailed vulnerability description
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper access control in the /de2api/datasetData/previewSql endpoint when handling crafted API requests with datasourceId=-1. A remote user can send a specially crafted request to disclose sensitive information.
The issue allows execution of arbitrary SQL statements against the built-in engine database.
How to mitigate CVE-2026-53730
Install security update from vendor's website.