BIT-mongodb-2026-18712

vendorUSosv

Improper Authorization in MongoDB Queryable Encryption Maintenance Operations Allows Unauthorized Modification of Other Collections

view advisory published 2026-09-28Licence: per source

An issue in MongoDB Server's Queryable Encryption maintenance operations could allow an authenticated user with privileges on one encrypted collection to cause unauthorized modification or destruction of data belonging to a different collection. This is due to insufficient validation of certain internal metadata references before they are used to perform operations on other namespaces.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-18712US—OT elevated—
An issue in MongoDB Server's Queryable Encryption maintenance operations could allow an authenticated user with privileges on one encrypted collection to cause unauthorized modific…
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references

External citations — patches, advisories, analysis.

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