CVE-2026-18690
HighCVSS 8.1Exploitation Probability (EPSS)
Low risk18th percentile - higher than 18% of all known CVEs
Summary
A vulnerability in MongoDB Server allows an authenticated user with a limited database-scoped role to perform actions on protected system collections that their privileges should not permit. This could result in critical system collections being dropped and recreated without proper authorization.
Risk Assessment
The risk includes unauthorized modification of critical system collections, which could lead to data integrity issues and system disruption.
Recommendation
Update MongoDB Server to a patched version and review/restrict user role privileges.
Original NVD description (English source)
An issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that their assigned privileges should not permit. This could result in critical system collections being dropped and recreated without proper authorization.