CVE-2026-1849 Affecting mongodb package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.27% (19th percentile)

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  • Snyk IDSNYK-UBUNTU1804-MONGODB-15357098
  • published26 Feb 2026
  • disclosed10 Feb 2026

Introduced: 10 Feb 2026

CVE-2026-1849  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:18.04 mongodb.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mongodb package and not the mongodb package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

MongoDB Server may experience an out-of-memory failure while evaluating expressions that produce deeply nested documents. The issue arises in recursive functions because the server does not periodically check the depth of the expression.

CVSS Base Scores

version 3.1