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CVE-2026-82063

medium

A use-after-free security issue in the cursor management component of MongoDB Server allows an authenticated user to cause a denial of service.

Vendor / product: Mongodb — mongodb

A use-after-free security issue in the cursor management component of MongoDB Server allows an authenticated user to cause a denial of service. Under specific timing conditions during cursor operations, a stale pointer to a freed resource may be retained and subsequently dereferenced during cursor cleanup, leading to a server process crash.

CVSS
5.3
5.3 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity source: NVD CVSS v3.1 (cna@mongodb.com)
Timeline (UTC)
Published: 2026-09-08 17:18
Modified: 2026-09-16 20:37
NVD status: Analyzed
Last synced 1 day 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 ≥7.0.0 <7.0.41, ≥8.0.0 <8.0.30, ≥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-131870

References

Data sources

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

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