CVE-2026-76794: MongoDB Mongosql Transition Readiness Tool

Medium severity, CVSS 4.6. EPSS: 0.2% chance of exploitation in the next 30 days.

MongoSQL Transition Readiness Tool does not sufficiently encode database metadata before including it in generated HTML. A MongoDB user with write access can introduce crafted metadata that may cause script code to run when another user generates and opens the report, potentially exposing report contents or altering its display.

Affected products

• MongoDB Mongosql Transition Readiness Tool: before 1.1.3 (fixed in 1.1.3)

Published 2026-08-28. Last modified 2026-09-17.