AIKIDO-2026-929875
@mikro-orm/mssql is vulnerable to SQL Injection
64
Medium Risk
This Affects:
@mikro-orm/mssqlTL;DR
The MSSQL platform builds ORDER BY clauses by lowercasing the requested sort direction and embedding it directly into the generated SQL. The order-by field key is validated against entity metadata, but the direction value is not checked against the known QueryOrder values, so an application that forwards a user-controlled direction into orderBy lets crafted tokens reach the query. On MSSQL this can break out of the intended clause and inject arbitrary SQL, including additional statements. The fix adds a validateOrderByDirection() allow-list that rejects any direction outside the canonical ascending and descending variants.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range and your application passes a user-controlled or otherwise untrusted order-by direction value into a query.
Background info
@mikro-orm/mssql is vulnerable to SQL Injection in versions 6.2.0 - 6.6.15 and 7.0.0 - 7.1.6.
How to fix this
Upgrade the @mikro-orm/mssql library to the patch version.
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