Vulnerability · Published Mar 17, 2026 · Assigned by mongodb

CVE-2026-4147Stack memory disclosure in filemd5 command

Medium 6.5

In plain English

A medium-severity security flaw in MongoDB Server from MongoDB Inc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An authenticated user with the read role may read limited amounts of uninitialized stack memory via specially-crafted issuances of the filemd5 command.

Affected products (as reported)

VendorProductVersions
MongoDB Inc MongoDB Server 8.2 – before 8.2.68.0 – before 8.0.207.0 – before 7.0.31

Weakness: CWE-457 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References