CVE-2026-82063

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.

Score

CVSS 4.0 6.0 Medium

Status

Analyzed - cna@mongodb.com

Published

2026-09-08

Last modified

2026-09-08

Weaknesses

CWE-416

Affected products

• Mongodb (Mongodb)
• Mongodb Server (Mongodb)

References

• https://jira.mongodb.org/browse/SERVER-131870