CVE-2026-18708 Affecting mongod-8.3-advanced-compat package, versions <8.3.8-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.38% (30th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-MONGOD83ADVANCEDCOMPAT-19889536
  • published18 Sept 2026
  • disclosed11 Aug 2026

Introduced: 11 Aug 2026

CVE-2026-18708  (opens in a new tab)

How to fix?

Upgrade Minimos:latest mongod-8.3-advanced-compat to version 8.3.8-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mongod-8.3-advanced-compat package and not the mongod-8.3-advanced-compat package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

An issue in MongoDB Server's JavaScript scripting engine could allow an authenticated user with write privileges to cause code they control to be executed within the query scope of other users, through a specially crafted stored value processed during an internal maintenance cycle. This could result in corruption of query results affecting other users and denial of service targeted at their operations on the same database. Impact is limited to the scripting engine's execution sandbox, which does not provide access to database, filesystem, or network resources.