Marten has an injection vulnerability in its full-text search regConfig parameter — CVE-2026-45288

Summary

## Summary Marten's full-text search APIs interpolated the user-supplied `regConfig` parameter directly into the generated SQL without parameterization or validation, making every code path that exposes `regConfig` to untrusted input a SQL injection sink. ## Affected APIs - `IQuerySession.SearchAsync<T>(string searchTerm, string regConfig, ...)` - `IQuerySession.PlainTextSearchAsync<T>(...)` -…

Product

nuget: Marten

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

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