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CVE-2026-33121: DataEase has SQL Injection via Datasource Save Flow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-16 · updated 2026-06-17
• Weakness: CWE-89

Description

DataEase is an open-source data visualization and analytics platform. Versions 2.10.20 and below contain a SQL injection vulnerability in the API datasource saving process. The deTableName field from the Base64-encoded datasource configuration is used to construct a DDL statement via simple string replacement without any sanitization or escaping of the table name. An authenticated attacker can inject arbitrary SQL commands by crafting a deTableName that breaks out of identifier quoting, enabling error-based SQL injection that can extract database information such as the MySQL version. This issue has been fixed in version 2.10.21.

Affected products

• dataease: before 2.10.21 — fixed in 2.10.21

How to fix

Upgrade to a fixed version: dataease 2.10.21. Check the vendor advisory for mitigations.

References

• https://github.com/dataease/dataease/releases/tag/v2.10.21
• https://github.com/dataease/dataease/security/advisories/GHSA-fg4m-q7ch-jqv5
• https://github.com/dataease/dataease/security/advisories/GHSA-fg4m-q7ch-jqv5

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