MinorCritical vulnerability
CVE-2026-120821 (CVSS 7.1)
NVD · officialPublished Nov 10, 2026Risk 23/100
A use-after-free in the aggregation framework of MongoDB Server can occur when certain expressions are evaluated in an aggregation sub-pipeline. The condition can be caused by an authenticated user with read privileges, and may result in the server terminating unexpectedly.
Technical details
CVSS
7.1
AV:NetworkAC:LowPR:LowUI:None
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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