SQL injection in DataEase - CVE-2026-33121
Published: April 16, 2026
Vulnerability identifier: #VU126352
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-33121
CWE-ID: CWE-89
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 execute arbitrary SQL commands.
The vulnerability exists due to SQL injection in the datasource save flow when processing a crafted API-type datasource configuration. A remote user can submit a specially crafted datasource configuration with a malicious deTableName value to execute arbitrary SQL commands.
The issue is triggered when the Base64-encoded JSON configuration is decoded and the deTableName field is used to construct a CREATE TABLE statement without sanitization.
How to mitigate CVE-2026-33121
Install security update from vendor's website.