CVE-2026-82066 — Heap Out-of-Bounds Read in MongoDB Server Query Planning Component

CVE-2026-82066

Heap Out-of-Bounds Read in MongoDB Server Query Planning Component PUBLISHED

Description (CNA)

A heap out-of-bounds read security issue exists in the query planning component of MongoDB Server. An authenticated user with database read and write privileges can trigger the security issue through crafted query operations, causing the server to read memory beyond allocated buffer boundaries. The revealed memory contents may be partially observable through diagnostic query statistics output.

Affected (CNA)

Vendor / product	Versions
MongoDB / MongoDB Server	affected 8.3.0 before 8.3.9; affected 8.0.0 before 8.0.30; affected 7.0.0 before 7.0.41

CWE

CWE-125

References

https://jira.mongodb.org/browse/SERVER-131562

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.