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CVE-2026-82061

high

A use-after-free security issue exists in the server's query execution memory tracking subsystem.

Vendor / product: Mongodb — mongodb

A use-after-free security issue exists in the server's query execution memory tracking subsystem. An authenticated user with read privileges can trigger a write to freed heap memory through a sequence of standard database commands, leading to server process crash or potential memory corruption. No user interaction is required.

CVSS
8.1
8.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Severity source: NVD CVSS v3.1 (cna@mongodb.com)
Timeline (UTC)
Published: 2026-09-08 17:18
Modified: 2026-09-16 20:36
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:51 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

mongodb / mongodb ≥8.3.0 <8.3.9

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://jira.mongodb.org/browse/SERVER-130907

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:51 UTC · record ↗

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