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CVE-2026-30951

sequelize: Sequelize: Data exfiltration via SQL injection in JSON/JSONB where clause processing

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Severity

Important

Red Hat Product Security

7.5

CVSS 3.1

Review impact separately from score.

Published · March 11, 2026

Updated · August 20, 2026

Description

A flaw was found in Sequelize, a Node.js Object-Relational Mapper (ORM) tool. A remote attacker can exploit a SQL injection vulnerability by manipulating JSON object keys during JSON/JSONB where clause processing. This allows for the injection of arbitrary SQL commands due to the improper handling of cast types. The primary consequence is the potential for unauthorized data exfiltration from any database table.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')