4.3Medium

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

MongoDB MongoDB Server Published: (2 months ago)

Description

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.

Weakness (CWE): CWE-125

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
mongodb mongodb 7.0.0 – < 7.0.41
MongoDB MongoDB Server 8.3.0 – < 8.3.9, 8.0.0 – < 8.0.30, 7.0.0 – < 7.0.41

References and patches

CPE matches (NVD) (3)

  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* ≥ 7.0.0 < 7.0.41
  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* ≥ 8.0.0 < 8.0.30
  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:-:*:*:* ≥ 8.3.0 < 8.3.9