BIT-mongodb-2026-18690

vendorUSosv

Improper Authorization in MongoDB Server Allows Unauthorized Actions on System Collections

view advisory published 2026-09-17Licence: per 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.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-18690US—OT elevated—
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 privi…
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references

External citations — patches, advisories, analysis.

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