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Sequelize is a Node.js ORM tool. Prior to 6.37.4, SQL injection is possible with strings only if dialect is set to oracle. The escape function defined in sql-string.js does not escape quotes if the value starts with TO_TIMESTAMP or TO_DATE. In the Oracle dialect, when val is a string and starts with TO_TIMESTAMP or TO_DATE, escape returns val directly instead of replacing single quotes. An attacker can inject arbitrary SQL expressions through an application value that reaches this escape path. This issue is fixed in version 6.37.4.
Read the publisher's advisorySequelize is a Node.js ORM tool. Prior to 6.37.4, SQL injection is possible with strings only if dialect is set to oracle. The escape function defined in sql-string.js does not escape quotes if the value starts with TO_TIMESTAMP or TO_DATE. In the Oracle dialect, when val is a string and starts with TO_TIMESTAMP or TO_DATE, escape returns val directly instead of replacing single quotes. An attacker can inject arbitrary SQL expressions through an application value that reaches this escape path. This issue is fixed in version 6.37.4.
Read the publisher's advisorySequelize is a Node.js ORM tool. Prior to 6.37.4, SQL injection is possible with strings only if dialect is set to oracle. The escape function defined in sql-string.js does not escape quotes if the value starts with TO_TIMESTAMP or TO_DATE. In the Oracle dialect, when val is a string and starts with TO_TIMESTAMP or TO_DATE, escape returns val directly instead of replacing single quotes. An attacker can inject arbitrary SQL expressions through an application value that reaches this escape path. This issue is fixed in version 6.37.4.
Read the publisher's advisory### Summary SQL Injection is possible with strings only **if dialect is set to `oracle`**. The vulnerability was confirmed on Sequelize v6.37.3. ### Details The `escape` function defined in `sql-string.js` does not escape quotes if the value starts with `TO_TIMESTAMP` or `TO_DATE`. ```javascript } else if (dialect === 'oracle' && typeof val === 'string') { if (val.startsWith('TO_TIMESTAMP') || val.startsWith('TO_DATE')) { return val; } val = val.replace(/'/g, "''"); } ``` ### PoC Suppose the application has the following code: ```javascript var result = await models.Student.findOne({ where: { firstName: req.query.firstName } }); ``` An attacker can inject arbitrary sql expressions. `http://host/path?firstName=TO_DATE('0','Y')||'' OR 1=1--` The resulted SQL will be: ```SQL SELECT ... WHERE "Student"."firstName" = TO_DATE('0','Y')||'' OR 1=1-- ORDER BY "Student"."id" OFFSET 0 ROWS FETCH NEXT 1 ROWS ONLY; ``` ### Impact Data theft and tampering.
Read the publisher's advisoryVendor product
Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "sequelize",
"product": "sequelize",
"versions": [
{
"version": "< 6.37.4",
"status": "affected"
}
]
}Original source record · Cite this exact observation · Complete original publisher JSON
EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.
datePublished: Aug 3, 2026, 8:28:28 PM
dateUpdated: Aug 4, 2026, 2:12:28 PM
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON
NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Awaiting Analysis
Weakness classifications: CWE-89
published: 2026-08-03T21:16:41.970
lastModified: 2026-09-10T20:36:14.340
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON
npm
SEMVER · introduced 0 → fixed 6.37.4
Original source record · Cite this exact observation · Complete original publisher JSON