CVE-2026-18698Medium· 5.4▾ SunlitAn issue in MongoDB Server could allow an authenticated user with a limited database-scoped role to perform an action against protected system collections that should require more specific privileges. This could result in exposure of col…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.7 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 29.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
0.2% → 0.2%
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 should require more specific privileges. This could result in exposure of collection metadata and, on certain deployment configurations, unauthorized modification of system collection data.
mongodb >= 7.0.0, < 7.0.40mongodb >= 8.0.0, < 8.0.29mongodb >= 8.2.0, <= 8.2.12mongodb >= 8.3.0, < 8.3.8mongodb = 9.0.0mongodb = 9.1.0Upgrade past the affected range:
mongodb 8.3.8Connected by shared product, vendor, weakness, or advisory.
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