SQL injection in Sequelize - CVE-2026-30951
Published: April 27, 2026
Vulnerability identifier: #VU128016
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-30951
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to sql injection in the _traverseJSON() function in JSON/JSONB where clause processing when handling user-controlled JSON object keys. A remote attacker can supply a specially crafted JSON key containing an unescaped cast type to disclose sensitive information.
Applications are vulnerable when they pass user-controlled objects as where clause values for JSON or JSONB columns.
Affected software
Sequelize
How to mitigate CVE-2026-30951
Install security update from vendor's website.
Sequelize - update to 6.37.8