BIT-mongodb-2026-18706

vendorUSosv

Use-After-Free in MongoDB $graphLookup Aggregation Stage Leads to Denial of Service and Potential Remote Code Execution

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

An issue in MongoDB Server's $graphLookup aggregation stage could allow an authenticated user able to issue aggregation and memory-management commands to cause an internal reference to be used after the underlying memory has been freed. This could result in a server crash or, potentially, execution of unintended code.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-18706US——
An issue in MongoDB Server's $graphLookup aggregation stage could allow an authenticated user able to issue aggregation and memory-management commands to cause an internal referenc…
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references

External citations — patches, advisories, analysis.

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